1: (1 4 15)

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

2: (3 20 6)

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

3: (1 4 15)

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

4: (0 16 2)

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