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

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

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

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

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