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

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

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

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

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