1: (4 10 16)

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

2: (1 11 9)

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

3: (0 7 2)

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

4: (3 16 14)

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