static const unsigned char c420jpeg[]={
	  7,  6,  4,  3,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
	  4,  5,  5,  5,  6,  5,  6,  6,  4,  4,  4,  4,  4,  4,  4,  4,
	  4,  4,  4,  4,  5,  5,  5,  5,  2,  3,  4,  4,  4,  4,  3,  2,
	  4,  4,  4,  3,  3,  3,  4,  4,  4,  4,  4,  4,  4,  4,  4,  3,
	  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,
	  5,  7,  8,  9,  9,  9, 10, 11,  9,  9, 10, 10, 12, 12, 13, 13,
	 12, 11, 11, 11, 12, 12, 13, 14, 15, 15, 16, 15, 15, 15, 16, 18,
	 16, 16, 16, 16, 16, 16, 16, 16, 17, 16, 15, 14, 15, 15, 16, 17,
	 18, 18, 17, 16, 15, 15, 16, 16, 15, 15, 14, 15, 16, 17, 15, 13,
	 17, 16, 16, 13, 12, 16, 20, 17, 16, 17, 17, 15, 15, 15, 16, 17,
	 18, 17, 16, 17, 18, 15, 10,  6,  9, 14, 16, 14, 13, 10, 10, 13,
	 15, 16, 16, 17, 18, 16, 10,  4,  9, 15, 18, 17, 16, 17, 17, 16,
	 15, 16, 16, 17, 19, 18, 16, 15, 19, 19, 18, 17, 16, 15, 15, 14,
	 16, 17, 18, 18, 19, 18, 18, 17, 18, 18, 18, 17, 18, 18, 19, 19,
	 19, 19, 19, 19, 19, 19, 19, 19, 20, 19, 18, 18, 21, 21, 20, 19,
	  7,  6,  4,  4,  5,  6,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
	  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
	  4,  4,  4,  4,  5,  5,  5,  5,  3,  3,  4,  4,  4,  4,  3,  3,
	  3,  4,  4,  4,  5,  4,  5,  5,  4,  4,  4,  4,  4,  4,  4,  3,
	  4,  4,  4,  4,  3,  3,  3,  3,  4,  4,  4,  4,  4,  4,  4,  4,
	  5,  7,  8,  9,  9,  9, 10, 11,  9, 10, 10, 10, 11, 12, 12, 12,
	 12, 12, 12, 11, 12, 13, 14, 15, 15, 16, 16, 15, 15, 15, 16, 18,
	 15, 15, 16, 16, 16, 16, 15, 15, 17, 16, 16, 15, 16, 16, 16, 16,
	 17, 17, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16,
	 17, 14, 16, 18, 15, 15, 17, 16, 11, 12, 12, 13, 15, 16, 16, 17,
	 19, 18, 16, 16, 18, 15, 11,  7, 10, 15, 16, 15, 13, 10, 10, 14,
	 17, 17, 16, 15, 17, 16, 11,  6,  9, 14, 18, 16, 16, 17, 18, 16,
	 18, 17, 16, 16, 17, 17, 17, 16, 19, 19, 19, 18, 17, 16, 16, 15,
	 17, 17, 18, 18, 19, 19, 18, 18, 17, 17, 18, 18, 19, 19, 18, 18,
	 19, 19, 19, 19, 19, 19, 19, 19, 20, 19, 18, 19, 21, 21, 21, 19,
	  7,  6,  5,  5,  6,  6,  5,  4,  5,  5,  5,  5,  5,  5,  5,  5,
	  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
	  4,  4,  5,  4,  5,  5,  5,  6,  3,  3,  4,  4,  4,  4,  3,  3,
	  3,  3,  4,  5,  6,  5,  5,  5,  4,  4,  4,  4,  4,  4,  4,  3,
	  5,  5,  4,  4,  3,  3,  3,  3,  3,  3,  3,  3,  4,  4,  4,  4,
	  5,  7,  8,  9,  9,  9, 10, 11,  9, 10, 10, 10, 11, 12, 12, 12,
	 12, 12, 12, 12, 13, 13, 14, 15, 15, 16, 16, 15, 15, 15, 16, 18,
	 14, 15, 16, 17, 17, 16, 15, 14, 17, 16, 16, 15, 15, 15, 16, 16,
	 17, 16, 16, 16, 17, 17, 18, 19, 17, 18, 19, 18, 16, 15, 16, 19,
	 18, 13, 16, 20, 18, 16, 18, 19, 16, 15, 15, 16, 18, 17, 16, 16,
	 19, 17, 16, 16, 17, 15, 12,  8, 10, 15, 17, 15, 14, 11, 12, 16,
	 19, 18, 16, 15, 16, 16, 12,  8,  8, 14, 17, 16, 16, 18, 18, 17,
	 20, 18, 17, 15, 16, 17, 17, 17, 19, 19, 19, 18, 18, 17, 17, 17,
	 17, 18, 18, 19, 20, 19, 19, 18, 16, 17, 18, 19, 20, 19, 18, 17,
	 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 19, 19, 21, 21, 21, 20,
	  7,  6,  5,  5,  7,  6,  5,  4,  5,  5,  5,  5,  5,  5,  5,  5,
	  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
	  5,  5,  5,  5,  5,  5,  5,  5,  2,  3,  3,  3,  4,  4,  4,  4,
	  3,  4,  5,  5,  6,  5,  5,  4,  4,  4,  4,  4,  4,  4,  4,  4,
	  4,  4,  4,  4,  4,  4,  4,  4,  2,  3,  3,  3,  4,  4,  4,  5,
	  5,  6,  8,  9,  8,  8,  9, 10, 10, 10, 11, 11, 12, 12, 13, 13,
	 13, 13, 12, 12, 13, 14, 14, 15, 15, 16, 16, 15, 14, 14, 15, 17,
	 15, 16, 16, 17, 17, 16, 16, 15, 17, 17, 17, 16, 16, 16, 16, 17,
	 18, 17, 17, 16, 17, 18, 18, 19, 16, 16, 17, 18, 18, 16, 17, 19,
	 20, 16, 16, 17, 15, 18, 19, 16, 20, 18, 17, 19, 20, 19, 17, 16,
	 19, 17, 16, 16, 18, 16, 12,  8, 11, 16, 17, 15, 14, 12, 12, 17,
	 19, 18, 16, 15, 17, 17, 13,  9,  7, 13, 17, 16, 16, 18, 19, 18,
	 19, 18, 16, 16, 17, 18, 18, 18, 19, 19, 19, 18, 18, 18, 17, 17,
	 17, 18, 18, 18, 19, 19, 19, 19, 17, 18, 19, 19, 20, 19, 19, 18,
	 19, 19, 19, 19, 20, 20, 20, 20, 21, 20, 20, 20, 21, 21, 21, 21,
	  7,  7,  6,  6,  7,  6,  5,  4,  6,  6,  6,  5,  5,  5,  4,  4,
	  3,  4,  4,  4,  5,  5,  5,  6,  5,  5,  5,  5,  5,  5,  5,  5,
	  5,  5,  5,  5,  5,  5,  5,  5,  3,  3,  3,  3,  4,  4,  4,  4,
	  4,  5,  6,  6,  6,  5,  4,  3,  4,  4,  4,  4,  4,  4,  4,  4,
	  4,  4,  5,  4,  5,  5,  5,  6,  3,  3,  3,  3,  4,  4,  4,  4,
	  5,  6,  8,  9,  8,  8,  9, 10, 11, 11, 12, 12, 13, 13, 13, 14,
	 13, 13, 13, 12, 13, 14, 15, 16, 15, 15, 15, 14, 14, 14, 15, 16,
	 17, 16, 16, 15, 15, 16, 16, 17, 17, 18, 18, 17, 16, 16, 17, 18,
	 19, 19, 18, 17, 17, 17, 17, 17, 15, 14, 14, 17, 19, 17, 16, 17,
	 16, 17, 18, 16, 17, 23, 23, 14, 16, 13, 12, 15, 18, 18, 18, 18,
	 18, 17, 17, 18, 20, 17, 12,  7, 11, 16, 17, 15, 15, 12, 12, 16,
	 18, 18, 17, 17, 18, 17, 13,  8,  7, 13, 17, 16, 16, 18, 19, 18,
	 17, 16, 16, 16, 17, 18, 18, 18, 19, 19, 19, 18, 18, 18, 17, 17,
	 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 18, 19, 19, 20, 20,
	 19, 20, 20, 20, 21, 20, 21, 21, 20, 20, 20, 20, 21, 21, 21, 21,
	  8,  7,  6,  6,  7,  6,  5,  5,  6,  6,  6,  5,  5,  5,  4,  4,
	  3,  3,  4,  4,  5,  5,  6,  6,  5,  5,  5,  5,  5,  5,  5,  5,
	  5,  5,  5,  5,  5,  5,  5,  5,  3,  3,  4,  3,  4,  4,  4,  5,
	  5,  5,  6,  5,  5,  4,  3,  3,  3,  3,  4,  4,  5,  4,  4,  4,
	  3,  3,  4,  4,  5,  5,  6,  6,  4,  4,  4,  4,  4,  4,  4,  4,
	  5,  6,  8,  8,  8,  8,  9, 10, 11, 11, 12, 12, 13, 13, 13, 14,
	 13, 13, 12, 12, 13, 14, 14, 15, 15, 15, 16, 14, 14, 13, 15, 16,
	 18, 17, 15, 15, 15, 15, 17, 18, 17, 18, 18, 18, 17, 16, 17, 18,
	 20, 19, 18, 17, 17, 16, 16, 17, 18, 15, 14, 17, 19, 17, 15, 15,
	 11, 21, 29, 29, 31, 41, 40, 27, 22, 17, 14, 14, 16, 15, 16, 18,
	 17, 17, 17, 19, 21, 18, 12,  7,  9, 15, 17, 16, 15, 12, 12, 15,
	 17, 17, 17, 17, 19, 18, 13,  8,  8, 14, 17, 16, 16, 18, 19, 17,
	 15, 15, 15, 17, 18, 19, 18, 18, 18, 18, 18, 17, 17, 17, 16, 16,
	 18, 18, 18, 18, 19, 19, 19, 19, 21, 20, 19, 17, 18, 19, 21, 22,
	 20, 20, 20, 20, 21, 21, 21, 21, 20, 20, 20, 20, 21, 21, 21, 21,
	  9,  7,  6,  5,  6,  6,  6,  5,  6,  6,  6,  5,  5,  4,  4,  4,
	  3,  3,  4,  4,  5,  5,  5,  6,  5,  5,  5,  5,  5,  5,  5,  5,
	  5,  5,  5,  5,  5,  4,  4,  4,  3,  3,  3,  3,  4,  4,  5,  5,
	  5,  5,  5,  4,  4,  4,  3,  3,  3,  3,  4,  4,  5,  4,  4,  4,
	  3,  3,  3,  3,  4,  4,  5,  5,  4,  4,  4,  4,  3,  3,  3,  3,
	  5,  6,  8,  8,  8,  8,  9, 10, 11, 11, 11, 11, 12, 12, 12, 12,
	 13, 12, 12, 12, 13, 13, 14, 15, 16, 16, 16, 15, 14, 14, 15, 17,
	 17, 17, 16, 16, 16, 16, 17, 17, 15, 17, 18, 18, 16, 15, 16, 17,
	 18, 18, 17, 16, 16, 17, 17, 18, 19, 16, 16, 17, 18, 16, 16, 19,
	 21, 34, 48, 51, 50, 55, 56, 48, 38, 31, 25, 20, 17, 13, 14, 18,
	 18, 17, 17, 19, 20, 18, 12,  8,  8, 14, 16, 15, 15, 11, 10, 13,
	 17, 17, 17, 17, 19, 17, 13,  8,  8, 14, 17, 16, 16, 18, 18, 17,
	 15, 15, 15, 16, 18, 18, 18, 17, 17, 17, 17, 16, 16, 15, 15, 15,
	 18, 18, 18, 17, 18, 18, 19, 19, 20, 19, 18, 16, 17, 18, 20, 21,
	 19, 19, 20, 20, 21, 21, 21, 22, 19, 19, 20, 20, 20, 20, 20, 21,
	 10,  8,  6,  5,  6,  6,  6,  5,  6,  6,  6,  5,  5,  4,  4,  4,
	  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,
	  5,  5,  5,  4,  4,  4,  4,  4,  3,  3,  3,  3,  4,  4,  5,  5,
	  4,  4,  4,  3,  3,  3,  4,  4,  3,  3,  4,  4,  5,  4,  4,  4,
	  2,  3,  3,  3,  4,  3,  4,  4,  5,  5,  4,  4,  3,  3,  3,  3,
	  5,  6,  8,  8,  8,  8,  9, 10, 10, 10, 11, 10, 11, 11, 11, 12,
	 12, 12, 12, 12, 13, 13, 14, 15, 17, 17, 17, 16, 15, 15, 16, 18,
	 16, 16, 16, 16, 16, 16, 16, 16, 14, 16, 18, 17, 15, 14, 15, 17,
	 17, 16, 16, 16, 17, 17, 18, 19, 20, 17, 17, 18, 17, 15, 18, 24,
	 40, 52, 65, 66, 58, 57, 59, 56, 49, 40, 31, 25, 19, 13, 15, 20,
	 19, 18, 17, 18, 20, 17, 13,  9,  7, 13, 16, 15, 15, 11, 10, 13,
	 17, 17, 16, 16, 18, 17, 13,  8,  8, 14, 17, 16, 16, 18, 18, 17,
	 15, 15, 15, 15, 17, 17, 17, 17, 17, 17, 16, 16, 15, 14, 14, 14,
	 17, 17, 17, 17, 18, 18, 18, 19, 19, 18, 17, 16, 17, 18, 19, 20,
	 19, 19, 19, 20, 21, 21, 21, 21, 19, 19, 20, 20, 20, 20, 20, 20,
	  8,  7,  6,  6,  7,  7,  6,  5,  6,  6,  5,  5,  4,  4,  4,  4,
	  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,
	  4,  4,  4,  4,  4,  4,  4,  4,  2,  3,  3,  3,  4,  4,  4,  4,
	  3,  3,  3,  3,  4,  4,  4,  5,  4,  4,  4,  4,  4,  4,  4,  3,
	  4,  4,  4,  4,  4,  4,  4,  4,  5,  4,  3,  3,  4,  4,  4,  3,
	  5,  7,  8,  9,  8,  8,  9, 10, 10, 11, 11, 11, 12, 12, 12, 13,
	 12, 12, 12, 12, 13, 14, 14, 15, 16, 16, 16, 16, 16, 16, 16, 16,
	 16, 16, 16, 16, 16, 16, 16, 15, 17, 17, 17, 17, 17, 16, 16, 16,
	 15, 16, 16, 16, 16, 16, 17, 19, 18, 15, 14, 16, 18, 17, 22, 32,
	 59, 49, 62, 66, 48, 48, 58, 51, 52, 36, 22, 17, 15, 11, 11, 15,
	 13, 12, 11, 13, 15, 15, 12,  9,  9, 13, 18, 17, 14, 11, 12, 14,
	 19, 17, 16, 17, 19, 18, 15, 11,  9, 12, 15, 18, 19, 18, 18, 18,
	 18, 16, 17, 19, 19, 17, 16, 18, 17, 17, 17, 17, 17, 17, 16, 16,
	 16, 17, 18, 18, 19, 18, 18, 17, 18, 17, 17, 17, 18, 19, 19, 20,
	 19, 19, 19, 19, 20, 20, 20, 20, 21, 18, 18, 20, 21, 19, 19, 22,
	  8,  7,  6,  6,  7,  7,  6,  5,  6,  6,  5,  5,  5,  4,  4,  4,
	  4,  4,  3,  3,  3,  3,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,
	  4,  4,  4,  4,  4,  4,  4,  4,  3,  3,  3,  3,  4,  4,  4,  4,
	  3,  3,  3,  3,  4,  4,  4,  5,  4,  4,  4,  4,  4,  4,  4,  3,
	  4,  4,  4,  4,  4,  4,  4,  4,  4,  3,  3,  3,  3,  3,  3,  3,
	  5,  6,  8,  9,  8,  8,  9, 10, 10, 11, 11, 11, 12, 12, 12, 12,
	 12, 12, 12, 13, 14, 14, 14, 14, 16, 16, 16, 16, 16, 15, 15, 15,
	 15, 15, 16, 15, 16, 16, 16, 17, 17, 17, 17, 16, 16, 16, 16, 16,
	 16, 17, 17, 16, 15, 15, 16, 17, 18, 16, 17, 17, 16, 18, 28, 38,
	 43, 46, 51, 52, 48, 49, 58, 62, 52, 35, 19, 12,  9,  5,  4,  8,
	  8,  8,  8,  9, 11, 11,  9,  7,  9, 12, 16, 16, 14, 12, 13, 14,
	 17, 16, 15, 16, 18, 17, 12,  8,  8, 11, 15, 17, 18, 17, 17, 16,
	 23, 20, 17, 16, 18, 20, 22, 25, 21, 20, 18, 17, 16, 16, 17, 17,
	 17, 17, 18, 18, 18, 18, 17, 17, 19, 18, 18, 18, 20, 19, 19, 18,
	 18, 18, 18, 19, 20, 20, 20, 19, 19, 19, 19, 20, 21, 20, 20, 21,
	  9,  8,  7,  6,  7,  7,  5,  5,  5,  5,  6,  6,  5,  5,  4,  3,
	  5,  4,  3,  2,  2,  3,  4,  5,  5,  5,  5,  5,  5,  5,  5,  5,
	  4,  4,  4,  4,  4,  4,  4,  4,  4,  3,  3,  2,  3,  4,  4,  5,
	  3,  3,  3,  3,  4,  4,  4,  5,  4,  4,  4,  4,  4,  4,  4,  3,
	  4,  4,  4,  4,  4,  4,  4,  4,  3,  3,  4,  3,  2,  2,  3,  4,
	  5,  6,  8,  9,  9,  9, 10, 11, 10, 10, 11, 12, 13, 12, 12, 12,
	 11, 12, 13, 13, 14, 14, 14, 14, 16, 16, 16, 15, 15, 15, 15, 15,
	 14, 14, 14, 15, 16, 17, 17, 18, 17, 17, 17, 16, 16, 16, 16, 16,
	 18, 18, 17, 15, 15, 14, 15, 17, 16, 15, 20, 19, 13, 21, 37, 44,
	 42, 56, 51, 46, 48, 45, 50, 56, 50, 34, 17,  9,  6,  3,  3,  6,
	  5,  6,  7,  7,  8,  8,  8,  8,  9, 11, 13, 14, 13, 12, 12, 13,
	 16, 16, 16, 18, 20, 18, 13,  9,  8, 12, 16, 19, 19, 17, 16, 16,
	 15, 15, 15, 14, 17, 18, 16, 13, 21, 20, 19, 18, 18, 17, 17, 17,
	 17, 17, 18, 18, 18, 18, 17, 17, 18, 18, 19, 20, 21, 20, 18, 17,
	 18, 17, 17, 18, 21, 22, 20, 19, 17, 19, 20, 20, 21, 21, 20, 19,
	 10,  8,  7,  6,  7,  6,  5,  4,  5,  5,  6,  6,  6,  5,  4,  3,
	  5,  5,  4,  4,  4,  4,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
	  5,  5,  5,  5,  5,  5,  5,  5,  5,  4,  3,  2,  2,  3,  4,  5,
	  4,  4,  4,  3,  4,  4,  5,  5,  4,  4,  4,  4,  4,  4,  4,  3,
	  4,  4,  4,  4,  4,  4,  4,  4,  2,  4,  5,  4,  2,  2,  3,  5,
	  5,  7,  8,  9,  9,  9, 10, 11,  9, 10, 11, 12, 13, 13, 12, 12,
	 11, 12, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16,
	 14, 14, 14, 14, 16, 16, 17, 18, 17, 17, 17, 17, 17, 17, 17, 17,
	 17, 18, 18, 17, 16, 15, 15, 16, 16, 14, 20, 18, 12, 22, 41, 46,
	 39, 57, 48, 46, 50, 47, 53, 51, 48, 32, 17, 10,  9,  8,  8,  9,
	  6,  7,  8,  7,  7,  6,  7,  8,  8,  9,  9,  9, 10, 10, 10, 10,
	 15, 14, 14, 15, 18, 16, 13,  9,  9, 12, 17, 19, 20, 18, 17, 17,
	 22, 22, 20, 17, 19, 22, 23, 22, 17, 18, 19, 20, 20, 19, 18, 17,
	 18, 18, 18, 18, 18, 18, 17, 17, 19, 19, 19, 20, 21, 20, 19, 18,
	 19, 18, 17, 19, 23, 23, 21, 18, 18, 21, 21, 19, 19, 21, 21, 18,
	 10,  9,  7,  7,  8,  7,  5,  4,  5,  5,  6,  6,  6,  5,  4,  3,
	  5,  5,  6,  6,  6,  6,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
	  5,  5,  5,  5,  5,  5,  5,  5,  5,  4,  3,  2,  2,  3,  4,  5,
	  4,  4,  4,  4,  5,  5,  5,  6,  4,  4,  4,  4,  4,  4,  4,  3,
	  4,  4,  4,  4,  4,  4,  4,  4,  3,  4,  5,  4,  3,  2,  4,  6,
	  6,  8,  9,  9,  9,  8,  9, 10,  9, 10, 11, 12, 13, 13, 12, 12,
	 12, 13, 13, 13, 14, 13, 14, 14, 14, 14, 14, 15, 16, 16, 16, 16,
	 15, 15, 15, 15, 16, 16, 16, 17, 18, 18, 18, 18, 18, 18, 18, 18,
	 16, 17, 18, 18, 18, 16, 16, 17, 17, 15, 20, 19, 13, 24, 41, 44,
	 45, 56, 45, 49, 48, 48, 63, 49, 46, 32, 18, 12, 13, 12, 11, 11,
	  7,  9,  9,  8,  6,  6,  7,  8,  8,  8,  7,  7,  7,  7,  6,  6,
	  9,  8,  7,  8, 10, 10,  9,  7,  7, 11, 15, 17, 18, 17, 17, 16,
	 12, 15, 17, 17, 17, 18, 18, 18, 17, 17, 18, 18, 19, 19, 18, 18,
	 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 18, 19, 20, 21, 21, 20,
	 20, 19, 18, 20, 24, 24, 22, 19, 20, 21, 21, 17, 17, 21, 21, 20,