1: (1 6 10)

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

2: (4 16 7)

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

3: (3 11 9)

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

4: (1 14 5)

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