1: (0 5 16)

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

2: (4 19 7)

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

3: (1 20 18)

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

4: (0 16 3)

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