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