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

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

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

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

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