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