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

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

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

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

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