1: (1 11 19)

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

2: (0 1 5)

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

3: (2 14 7)

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

4: (4 9 6)

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