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

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

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

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

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