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

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

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

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

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