1: P0 P1 P2
2: P0 P1 P3
3: P0 P1 P4
4: P0 P1 P5
5: P0 P1 P6
6: P0 P1 P7
7: P0 P1 P8
8: P0 P1 P9
9: P0 P1 P10
10: P0 P2 P3
11: P0 P2 P5
12: P0 P3 P5
13: P0 P4 P7
14: P0 P4 P8
15: P0 P6 P9
16: P0 P6 P10
17: P0 P7 P8
18: P0 P9 P10
19: P1 P2 P4
20: P1 P2 P6
21: P1 P3 P7
22: P1 P3 P9
23: P1 P4 P6
24: P1 P5 P8
25: P1 P5 P10
26: P1 P7 P9
27: P1 P8 P10