1: (3 7 18)

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

2: (1 12 5)

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

3: (0 15 2)

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

4: (6 14 7)

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