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

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

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

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

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