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