1: (1 7 10)

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

2: (6 18 8)

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

3: (7 12 9)

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

4: (1 14 11)

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