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