1: (6 12 16)

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

2: (1 12 11)

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

3: (9 17 15)

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

4: (7 13 10)

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