1: (1 4 16)

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

2: (2 20 6)

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

3: (1 4 16)

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

4: (3 15 5)

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