1: (1 5 16)

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

2: (0 15 2)

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

3: (4 17 5)

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

4: (3 20 7)

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