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