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

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

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

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

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