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

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

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

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

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