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