1: (1 9 16)

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

2: (6 17 15)

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

3: (5 10 8)

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

4: (0 16 13)

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