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

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

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

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

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