(0 19 7)(1 5 3)(2 20 17)(4 10 9)(6 12 8)(11 15 13)(14 18 16)
ALLOWS (11/8)-SEQUENCE
1: (0 4 7)
(0)(1 5 3)(2 20 17)(4 19 7 10 9)(6 12 8)(11 15 13)(14 18 16)
2: (7 10 19)
(0)(1 5 3)(2 20 17)(4 19 9)(6 12 8)(7)(10)(11 15 13)(14 18 16)
3: (6 12 8)
(0)(1 5 3)(2 20 17)(4 19 9)(6)(7)(8)(10)(11 15 13)(12)(14 18 16)
4: (2 20 17)
(0)(1 5 3)(2)(4 19 9)(6)(7)(8)(10)(11 15 13)(12)(14 18 16)(17)(20)