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

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

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

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

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