1: (1 7 9)

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

2: (5 10 8)

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

3: (3 12 6)

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

4: (1 16 4)

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