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

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

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

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

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