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