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

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

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

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

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