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

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

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

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

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