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

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

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

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

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