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

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

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

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

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