x100, x99, x98, x97, x96, x95, x94, x93, 
       x92, x91, x90, x89, x88, x87, x86, x85, 
       x84, x83, x82, x81, x80, x79, x78, x77, 
       x76, x75, x74, x73, x72, x71, x70, x69, 
       x68, x67, x66, x65, x64, x63, x62, x61, 
       x60, x59, x58, x57, x56, x55, x54, x53, 
       x52, x51, x50, x49, x48, x47, x46, x45, 
       x44, x43, x42, x41, x40, x39, x38, x37, 
       x36, x35, x34, x33, x32, x7, x6, x5, 
       x4, x3, x2, x1, x0, x31, x30, x29, 
       x28, x27, x26, x25, x24, x23, x22, x21, 
       x20, x19, x18, x17, x16, x15, x14, x13, 
       x12, x11, x10, x9, x8;

assign crc_out = {x31,x30,x29,x28,x27,x26,x25,x24,x23,x22,x21,x20,x19,x18,x17,
        x16,x15,x14,x13,x12,x11,x10,x9,x8,x7,x6,x5,x4,x3,x2,x1,
        x0};

wire d0,d1,d2,d3,d4,d5,d6,d7,d8,d9,d10,d11,d12,d13,d14,
    d15,d16,d17,d18,d19,d20,d21,d22,d23,d24,d25,d26,d27,d28,d29,d30,
    d31,d32,d33,d34,d35,d36,d37,d38,d39;

assign { d39,d38,d37,d36,d35,d34,d33,d32,d31,d30,d29,d28,d27,d26,d25,
        d24,d23,d22,d21,d20,d19,d18,d17,d16,d15,d14,d13,d12,d11,d10,d9,
        d8,d7,d6,d5,d4,d3,d2,d1,d0} = dat_in [39:0];

wire c0,c1,c2,c3,c4,c5,c6,c7,c8,c9,c10,c11,c12,c13,c14,
    c15,c16,c17,c18,c19,c20,c21,c22,c23,c24,c25,c26,c27,c28,c29,c30,
    c31;

assign { c31,c30,c29,c28,c27,c26,c25,c24,c23,c22,c21,c20,c19,c18,c17,
        c16,c15,c14,c13,c12,c11,c10,c9,c8,c7,c6,c5,c4,c3,c2,c1,
        c0} = crc_in [31:0];

    xor6 x123i (.out(x123),.a(d12),.b(d31),.c(c23),.d(c24),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x122i (.out(x122),.a(d9),.b(d2),.c(x96),.d(x33),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x121i (.out(x121),.a(x55),.b(c8),.c(1'b0),.d(1'b0),.e(1'b0),.f(1'b0));  // 2 ins 1 outs

    xor6 x120i (.out(x120),.a(d16),.b(d1),.c(d7),.d(d6),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x119i (.out(x119),.a(d16),.b(d1),.c(x94),.d(d20),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x118i (.out(x118),.a(x34),.b(c8),.c(d23),.d(d19),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x117i (.out(x117),.a(x36),.b(d4),.c(c10),.d(d16),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x116i (.out(x116),.a(c3),.b(c14),.c(x93),.d(x48),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x115i (.out(x115),.a(d14),.b(c18),.c(x92),.d(d33),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x114i (.out(x114),.a(x48),.b(x63),.c(d5),.d(c24),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x113i (.out(x113),.a(x35),.b(d16),.c(d5),.d(c15),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x112i (.out(x112),.a(c27),.b(c19),.c(x87),.d(x51),.e(d18),.f(1'b0));  // 5 ins 1 outs

    xor6 x111i (.out(x111),.a(d14),.b(d6),.c(x41),.d(d20),.e(d39),.f(1'b0));  // 5 ins 1 outs

    xor6 x110i (.out(x110),.a(c2),.b(c18),.c(x32),.d(d26),.e(c26),.f(1'b0));  // 5 ins 1 outs

    xor6 x109i (.out(x109),.a(d15),.b(d14),.c(x55),.d(x48),.e(c30),.f(1'b0));  // 5 ins 1 outs

    xor6 x108i (.out(x108),.a(x84),.b(c17),.c(x45),.d(x33),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x107i (.out(x107),.a(d6),.b(x32),.c(c15),.d(x63),.e(c17),.f(1'b0));  // 5 ins 1 outs

    xor6 x106i (.out(x106),.a(x82),.b(x51),.c(x38),.d(c28),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x105i (.out(x105),.a(c6),.b(c30),.c(d38),.d(d32),.e(d6),.f(1'b0));  // 5 ins 1 outs

    xor6 x104i (.out(x104),.a(c12),.b(d4),.c(c4),.d(x51),.e(d20),.f(1'b0));  // 5 ins 1 outs

    xor6 x103i (.out(x103),.a(d35),.b(x41),.c(d4),.d(x37),.e(c6),.f(1'b0));  // 5 ins 1 outs

    xor6 x102i (.out(x102),.a(d10),.b(c2),.c(d35),.d(d25),.e(x38),.f(1'b0));  // 5 ins 1 outs

    xor6 x101i (.out(x101),.a(d11),.b(x50),.c(x33),.d(c3),.e(x72),.f(1'b0));  // 5 ins 1 outs

    xor6 x100i (.out(x100),.a(c6),.b(c17),.c(c19),.d(c25),.e(x34),.f(1'b0));  // 5 ins 1 outs

    xor6 x99i (.out(x99),.a(x46),.b(x42),.c(x55),.d(c17),.e(d2),.f(1'b0));  // 5 ins 1 outs

    xor6 x98i (.out(x98),.a(c20),.b(d23),.c(d28),.d(c1),.e(x35),.f(1'b0));  // 5 ins 1 outs

    xor6 x97i (.out(x97),.a(d1),.b(d3),.c(x44),.d(d19),.e(x47),.f(1'b0));  // 5 ins 1 outs

    xor6 x96i (.out(x96),.a(d4),.b(d36),.c(d23),.d(c1),.e(d32),.f(1'b0));  // 5 ins 1 outs

    xor6 x95i (.out(x95),.a(c18),.b(d26),.c(x50),.d(c19),.e(c11),.f(1'b0));  // 5 ins 1 outs

    xor6 x94i (.out(x94),.a(c30),.b(d38),.c(d25),.d(c12),.e(d27),.f(1'b0));  // 5 ins 1 outs

    xor6 x93i (.out(x93),.a(c13),.b(d11),.c(d36),.d(d21),.e(c17),.f(1'b0));  // 5 ins 1 outs

    xor6 x92i (.out(x92),.a(d26),.b(d27),.c(c14),.d(d22),.e(d2),.f(1'b0));  // 5 ins 1 outs

    xor6 x91i (.out(x91),.a(c5),.b(c19),.c(d6),.d(x32),.e(d27),.f(1'b0));  // 5 ins 1 outs

    xor6 x90i (.out(x90),.a(c0),.b(d32),.c(d8),.d(x41),.e(1'b0),.f(1'b0));  // 4 ins 3 outs

    xor6 x89i (.out(x89),.a(c30),.b(d38),.c(d0),.d(x36),.e(x45),.f(1'b0));  // 5 ins 2 outs

    xor6 x88i (.out(x88),.a(x42),.b(d23),.c(c23),.d(d31),.e(1'b0),.f(1'b0));  // 4 ins 2 outs

    xor6 x87i (.out(x87),.a(d14),.b(c17),.c(c10),.d(d7),.e(d6),.f(1'b0));  // 5 ins 1 outs

    xor6 x86i (.out(x86),.a(c6),.b(c24),.c(x38),.d(c11),.e(x37),.f(1'b0));  // 5 ins 1 outs

    xor6 x85i (.out(x85),.a(d18),.b(d36),.c(d39),.d(d28),.e(x37),.f(1'b0));  // 5 ins 1 outs

    xor6 x84i (.out(x84),.a(d25),.b(d32),.c(c19),.d(c31),.e(d19),.f(1'b0));  // 5 ins 1 outs

    xor6 x83i (.out(x83),.a(d23),.b(x33),.c(d25),.d(x45),.e(d28),.f(1'b0));  // 5 ins 1 outs

    xor6 x82i (.out(x82),.a(d5),.b(c4),.c(d1),.d(d30),.e(c22),.f(1'b0));  // 5 ins 1 outs

    xor6 x81i (.out(x81),.a(c31),.b(x63),.c(c6),.d(c12),.e(c28),.f(1'b0));  // 5 ins 1 outs

    xor6 x80i (.out(x80),.a(c4),.b(x51),.c(c7),.d(d39),.e(d15),.f(1'b0));  // 5 ins 2 outs

    xor6 x79i (.out(x79),.a(x36),.b(d10),.c(d27),.d(d34),.e(c24),.f(1'b0));  // 5 ins 1 outs

    xor6 x78i (.out(x78),.a(d38),.b(c7),.c(x47),.d(d12),.e(x40),.f(1'b0));  // 5 ins 1 outs

    xor6 x77i (.out(x77),.a(x42),.b(c11),.c(d7),.d(d39),.e(x36),.f(1'b0));  // 5 ins 1 outs

    xor6 x76i (.out(x76),.a(c8),.b(d32),.c(d35),.d(x45),.e(1'b0),.f(1'b0));  // 4 ins 3 outs

    xor6 x75i (.out(x75),.a(d17),.b(x44),.c(c28),.d(x50),.e(c9),.f(1'b0));  // 5 ins 2 outs

    xor6 x74i (.out(x74),.a(x35),.b(d25),.c(d4),.d(d12),.e(1'b0),.f(1'b0));  // 4 ins 4 outs

    xor6 x73i (.out(x73),.a(d3),.b(c20),.c(x48),.d(d7),.e(1'b0),.f(1'b0));  // 4 ins 3 outs

    xor6 x72i (.out(x72),.a(c24),.b(d20),.c(d6),.d(c11),.e(d30),.f(1'b0));  // 5 ins 2 outs

    xor6 x71i (.out(x71),.a(d23),.b(d2),.c(c21),.d(x45),.e(d29),.f(1'b0));  // 5 ins 2 outs

    xor6 x70i (.out(x70),.a(x36),.b(c20),.c(c31),.d(d22),.e(c28),.f(1'b0));  // 5 ins 1 outs

    xor6 x69i (.out(x69),.a(d0),.b(d39),.c(c8),.d(d2),.e(x46),.f(1'b0));  // 5 ins 2 outs

    xor6 x68i (.out(x68),.a(c1),.b(d27),.c(d16),.d(x40),.e(d9),.f(1'b0));  // 5 ins 2 outs

    xor6 x67i (.out(x67),.a(d30),.b(x46),.c(d27),.d(c22),.e(d23),.f(1'b0));  // 5 ins 2 outs

    xor6 x66i (.out(x66),.a(x47),.b(c0),.c(d8),.d(x36),.e(d19),.f(1'b0));  // 5 ins 2 outs

    xor6 x65i (.out(x65),.a(c25),.b(c28),.c(x47),.d(d33),.e(1'b0),.f(1'b0));  // 4 ins 3 outs

    xor6 x64i (.out(x64),.a(d19),.b(x34),.c(c31),.d(d28),.e(d5),.f(1'b0));  // 5 ins 2 outs

    xor6 x63i (.out(x63),.a(d14),.b(d36),.c(c22),.d(c15),.e(d30),.f(1'b0));  // 5 ins 3 outs

    xor6 x62i (.out(x62),.a(x37),.b(d7),.c(x41),.d(c8),.e(d3),.f(1'b0));  // 5 ins 3 outs

    xor6 x61i (.out(x61),.a(d14),.b(c10),.c(d18),.d(d39),.e(x47),.f(1'b0));  // 5 ins 3 outs

    xor6 x60i (.out(x60),.a(c27),.b(d25),.c(c15),.d(x34),.e(c31),.f(1'b0));  // 5 ins 2 outs

    xor6 x59i (.out(x59),.a(c13),.b(d21),.c(d34),.d(x46),.e(c26),.f(1'b0));  // 5 ins 3 outs

    xor6 x58i (.out(x58),.a(d14),.b(c22),.c(d20),.d(d5),.e(x44),.f(1'b0));  // 5 ins 5 outs

    xor6 x57i (.out(x57),.a(c23),.b(d31),.c(d2),.d(d19),.e(x38),.f(1'b0));  // 5 ins 3 outs

    xor6 x56i (.out(x56),.a(x51),.b(d28),.c(c19),.d(d33),.e(c20),.f(1'b0));  // 5 ins 3 outs

    xor6 x55i (.out(x55),.a(d6),.b(c12),.c(d20),.d(c9),.e(d17),.f(1'b0));  // 5 ins 3 outs

    xor6 x54i (.out(x54),.a(c8),.b(x32),.c(x42),.d(x34),.e(c27),.f(1'b0));  // 5 ins 3 outs

    xor6 x53i (.out(x53),.a(c15),.b(d32),.c(d7),.d(x40),.e(c4),.f(1'b0));  // 5 ins 4 outs

    xor6 x52i (.out(x52),.a(c19),.b(x33),.c(c27),.d(d22),.e(c14),.f(1'b0));  // 5 ins 4 outs

    xor6 x51i (.out(x51),.a(c16),.b(d6),.c(d24),.d(c4),.e(1'b0),.f(1'b0));  // 4 ins 5 outs

    xor6 x50i (.out(x50),.a(d0),.b(c12),.c(d39),.d(c4),.e(c22),.f(1'b0));  // 5 ins 3 outs

    xor6 x49i (.out(x49),.a(d37),.b(x37),.c(x33),.d(c29),.e(c31),.f(1'b0));  // 5 ins 5 outs

    xor6 x48i (.out(x48),.a(c21),.b(d29),.c(c11),.d(d35),.e(d28),.f(1'b0));  // 5 ins 4 outs

    xor6 x47i (.out(x47),.a(c5),.b(d39),.c(d5),.d(d13),.e(1'b0),.f(1'b0));  // 4 ins 5 outs

    xor6 x46i (.out(x46),.a(c15),.b(c18),.c(d14),.d(c11),.e(d26),.f(1'b0));  // 5 ins 4 outs

    xor6 x45i (.out(x45),.a(c3),.b(d1),.c(d11),.d(d7),.e(1'b0),.f(1'b0));  // 4 ins 5 outs

    xor6 x44i (.out(x44),.a(d30),.b(c13),.c(d4),.d(c12),.e(d21),.f(1'b0));  // 5 ins 4 outs

    xor6 x43i (.out(x43),.a(c7),.b(d3),.c(x35),.d(d15),.e(1'b0),.f(1'b0));  // 4 ins 9 outs

    xor6 x42i (.out(x42),.a(d32),.b(c24),.c(d2),.d(d19),.e(c6),.f(1'b0));  // 5 ins 4 outs

    xor6 x41i (.out(x41),.a(d22),.b(d23),.c(d25),.d(c17),.e(c14),.f(1'b0));  // 5 ins 5 outs

    xor6 x40i (.out(x40),.a(d12),.b(c26),.c(c8),.d(d34),.e(c27),.f(1'b0));  // 5 ins 4 outs

    xor6 x39i (.out(x39),.a(c28),.b(d27),.c(d1),.d(c19),.e(x32),.f(1'b0));  // 5 ins 8 outs

    xor6 x38i (.out(x38),.a(c30),.b(c31),.c(d38),.d(c10),.e(d18),.f(1'b0));  // 5 ins 6 outs

    xor6 x37i (.out(x37),.a(d28),.b(c20),.c(c2),.d(d7),.e(d10),.f(1'b0));  // 5 ins 5 outs

    xor6 x36i (.out(x36),.a(c9),.b(d37),.c(d17),.d(d35),.e(c29),.f(1'b0));  // 5 ins 6 outs

    xor6 x35i (.out(x35),.a(c17),.b(c25),.c(c0),.d(d33),.e(d8),.f(1'b0));  // 5 ins 5 outs

    xor6 x34i (.out(x34),.a(d0),.b(d36),.c(c18),.d(d26),.e(d16),.f(1'b0));  // 5 ins 5 outs

    xor6 x33i (.out(x33),.a(c21),.b(d24),.c(c24),.d(c16),.e(d29),.f(1'b0));  // 5 ins 7 outs

    xor6 x32i (.out(x32),.a(d9),.b(c23),.c(d31),.d(d14),.e(c1),.f(1'b0));  // 5 ins 5 outs

    xor6 x7i (.out(x7),.a(x113),.b(x43),.c(x90),.d(x69),.e(x59),.f(x49));  // 6 ins 1 outs

    xor6 x6i (.out(x6),.a(x105),.b(x90),.c(x71),.d(x58),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x5i (.out(x5),.a(d0),.b(x97),.c(x49),.d(x72),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x4i (.out(x4),.a(x101),.b(x43),.c(x74),.d(x35),.e(x57),.f(1'b0));  // 5 ins 1 outs

    xor6 x3i (.out(x3),.a(d36),.b(x77),.c(x43),.d(x39),.e(x102),.f(1'b0));  // 5 ins 1 outs

    xor6 x2i (.out(x2),.a(d7),.b(x106),.c(x54),.d(x66),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x1i (.out(x1),.a(c5),.b(c25),.c(x89),.d(x68),.e(x56),.f(d13));  // 6 ins 1 outs

    xor6 x0i (.out(x0),.a(x107),.b(x53),.c(x60),.d(x49),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x31i (.out(x31),.a(x83),.b(x43),.c(x73),.d(x114),.e(x39),.f(1'b0));  // 5 ins 1 outs

    xor6 x30i (.out(x30),.a(c11),.b(x90),.c(x103),.d(x52),.e(x67),.f(1'b0));  // 5 ins 1 outs

    xor6 x29i (.out(x29),.a(d13),.b(x91),.c(d35),.d(x73),.e(x41),.f(x59));  // 6 ins 1 outs

    xor6 x28i (.out(x28),.a(x115),.b(x56),.c(x58),.d(x74),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x27i (.out(x27),.a(x108),.b(d39),.c(x67),.d(x58),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x26i (.out(x26),.a(x104),.b(d14),.c(x57),.d(x69),.e(x62),.f(1'b0));  // 5 ins 1 outs

    xor6 x25i (.out(x25),.a(x70),.b(x43),.c(x116),.d(x57),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x24i (.out(x24),.a(x85),.b(x64),.c(x117),.d(x39),.e(x54),.f(x58));  // 6 ins 1 outs

    xor6 x23i (.out(x23),.a(x78),.b(x39),.c(x64),.d(x109),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x22i (.out(x22),.a(x86),.b(x49),.c(x76),.d(x39),.e(x118),.f(x53));  // 6 ins 1 outs

    xor6 x21i (.out(x21),.a(x79),.b(x110),.c(x61),.d(x52),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x20i (.out(x20),.a(d9),.b(x98),.c(x40),.d(x75),.e(x60),.f(1'b0));  // 5 ins 1 outs

    xor6 x19i (.out(x19),.a(x119),.b(x43),.c(x76),.d(x52),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x18i (.out(x18),.a(x88),.b(x80),.c(x33),.d(x49),.e(x59),.f(1'b0));  // 5 ins 1 outs

    xor6 x17i (.out(x17),.a(x81),.b(x38),.c(x65),.d(x39),.e(x111),.f(1'b0));  // 5 ins 1 outs

    xor6 x16i (.out(x16),.a(x95),.b(d32),.c(d12),.d(x44),.e(x52),.f(x66));  // 6 ins 1 outs

    xor6 x15i (.out(x15),.a(x112),.b(x43),.c(x58),.d(x68),.e(1'b0),.f(1'b0));  // 4 ins 1 outs

    xor6 x14i (.out(x14),.a(x99),.b(d1),.c(d4),.d(x43),.e(x71),.f(1'b0));  // 5 ins 1 outs

    xor6 x13i (.out(x13),.a(x120),.b(c11),.c(x62),.d(x88),.e(x61),.f(1'b0));  // 5 ins 1 outs

    xor6 x12i (.out(x12),.a(d2),.b(x80),.c(d12),.d(x75),.e(x39),.f(x61));  // 6 ins 1 outs

    xor6 x11i (.out(x11),.a(x100),.b(x39),.c(x56),.d(x121),.e(x43),.f(x74));  // 6 ins 1 outs

    xor6 x10i (.out(x10),.a(x65),.b(d7),.c(x54),.d(x73),.e(c31),.f(1'b0));  // 5 ins 1 outs

    xor6 x9i (.out(x9),.a(x122),.b(x38),.c(x65),.d(x76),.e(x53),.f(1'b0));  // 5 ins 1 outs

    xor6 x8i (.out(x8),.a(x123),.b(x74),.c(x89),.d(x62),.e(x53),.f(1'b0));  // 5 ins 1 outs

endmodule