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