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

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

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

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

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