1: (4 6 7)

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

2: (0 6 18)

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

3: (1 20 15)

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

4: (0 7 2)

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