1: (4 7 16)

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

2: (3 8 5)

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

3: (1 9 7)

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

4: (0 13 2)

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