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

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

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

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

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