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

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

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

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

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