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

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

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

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

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