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

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

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

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

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