shingles | T1 | T2 | T3 |
0 | 1 | 0 | 1 |
1 | 1 | 1 | 1 |
2 | 1 | 1 | 1 |
3 | 1 | 1 | 0 |
4 | 1 | 1 | 0 |
5 | 0 | 0 | 1 |