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