(0 21 4)(1 19 7 5 3)(2 18 17)(6 10 8)(9 13 11)(12 20 14)(15 22 16)
ALLOWS (11/8)-SEQUENCE
1: (2 13 17)

(0 21 4)(1 19 7 5 3)(2)(6 10 8)(9 13 18 17 11)(12 20 14)(15 22 16)
2: (12 20 14)

(0 21 4)(1 19 7 5 3)(2)(6 10 8)(9 13 18 17 11)(12)(14)(15 22 16)(20)
3: (1 19 7)

(0 21 4)(1 5 3)(2)(6 10 8)(7)(9 13 18 17 11)(12)(14)(15 22 16)(19)(20)
4: (9 13 18)

(0 21 4)(1 5 3)(2)(6 10 8)(7)(9 17 11)(12)(13)(14)(15 22 16)(18)(19)(20)