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

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

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

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

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