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

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

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

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

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