(0 20 3)(1 6 4)(2 18 15 14 8)(5 17 13 10 7)(9 12 11)(16 21 19)
ALLOWS (11/8)-SEQUENCE
1: (0 2 3)
(0)(1 6 4)(2 20 3 18 15 14 8)(5 17 13 10 7)(9 12 11)(16 21 19)
2: (3 18 20)
(0)(1 6 4)(2 20 15 14 8)(3)(5 17 13 10 7)(9 12 11)(16 21 19)(18)
3: (16 21 19)
(0)(1 6 4)(2 20 15 14 8)(3)(5 17 13 10 7)(9 12 11)(16)(18)(19)(21)
4: (2 20 15)
(0)(1 6 4)(2 14 8)(3)(5 17 13 10 7)(9 12 11)(15)(16)(18)(19)(20)(21)