1: (6 17 18)

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

2: (2 4 18)

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

3: (0 5 3)

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

4: (4 20 17)

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