1: (0 4 15)

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

2: (1 20 7)

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

3: (0 4 15)

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

4: (2 19 5)

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