(0 20 18 13 5 3 2)(1 21 19)(4 8 6)(7 11 9)(10 16 12)(14 17 15)
ALLOWS (11/8)-SEQUENCE
1: (0 4 8)
(0 6 4 20 18 13 5 3 2)(1 21 19)(7 11 9)(8)(10 16 12)(14 17 15)
2: (3 20 5)
(0 6 4 20 2)(1 21 19)(3)(5 18 13)(7 11 9)(8)(10 16 12)(14 17 15)
3: (1 21 19)
(0 6 4 20 2)(1)(3)(5 18 13)(7 11 9)(8)(10 16 12)(14 17 15)(19)(21)
4: (4 20 6)
(0 6 2)(1)(3)(4)(5 18 13)(7 11 9)(8)(10 16 12)(14 17 15)(19)(20)(21)