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

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

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

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

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