1: (3 6 16)

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

2: (1 7 4)

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

3: (6 18 10)

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

4: (0 15 2)

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