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

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

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

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

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