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

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

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

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

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