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