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

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

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

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

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