LED Test Cycle the LEDs

PINS
1 I LG1 Green
2 I LR1 Red
3 I LY1 Yellow
4 I LR2 Red 2

IIII
0000
1000
0100
1100
0010
1010
0110
1110
0001
1001
0101
1101
0011
1011
0111
1111
END