1: (1 12 19)

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

2: (7 20 18)

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

3: (1 12 19)

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

4: (0 17 4)

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