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

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

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

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

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