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