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

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

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

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

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