1: (4 8 15)

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

2: (2 11 5)

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

3: (3 15 12)

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

4: (0 9 7)

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