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

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

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

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

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