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

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

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

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

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