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

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

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

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

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