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

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

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

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

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