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