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

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

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

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

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