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

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

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

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

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