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

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

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

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

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