1: (6 12 20)

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

2: (5 18 7)

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

3: (6 12 20)

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

4: (1 19 16)

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