1: (4 7 17)

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

2: (3 8 5)

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

3: (1 9 7)

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

4: (0 15 2)

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