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