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