1: (1 7 13)

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

2: (0 12 4)

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

3: (3 9 6)

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

4: (8 13 11)

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