| Factor | Reachability set | Antecedent set | Intersection set | Level |
| F2 | 2, 5, 9, 10, 14 | 2, 4, 7, 11, 12, 15 | | 3 | F4 | 2, 4, 5, 9, 10, 14 | 4, 7, 11, 12, 15 | | | F5 | 5 , 9, 10, 14 | 2, 4, 5, 7, 11, 12, 15 | | 3 | F7 | 1, 2, 3, 4, 5, 7, 9, 10, 14 | 7, 12, 15 | | | F8 | 8, 9, 14 | 8, 12, 15 | | | F9 | 9, 14 | 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15 | | | F11 | 1, 2, 3, 4, 5, 6, 9, 10, 11, 14 | 7, 11, 12, 15 | | | F12 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 | 7, 11, 12, 15 | | | F13 | 9, 13, 14 | 7, 11, 12, 15 | | | F15 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16 | 7, 11, 12, 15 | | |
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