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

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

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

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

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