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

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

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

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

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