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