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

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

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

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

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