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

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

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

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

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