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