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

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

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

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

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