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

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

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

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

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