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

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

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

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

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