1: (1 5 15)

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

2: (4 20 7)

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

3: (1 5 15)

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

4: (0 16 14)

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