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