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

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

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

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

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