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