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