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