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

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

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

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

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