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

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

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

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

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