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