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

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

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

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

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