sbit inside_led1=P2^3;
sbit inside_led2=P2^4;
sbit inside_led3=P2^5;
sbit inside_led4=P2^6;
sbit inside_led5=P2^7;

sbit outside_down_led2=P0^3;
sbit outside_down_led3=P0^2;
sbit outside_down_led4=P0^1;
sbit outside_down_led5=P0^0;

sbit outside_up_led1=P0^7;
sbit outside_up_led2=P0^6;
sbit outside_up_led3=P0^5;
sbit outside_up_led4=P0^4;