1: (4 5 6)

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

2: (6 10 12)

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

3: (9 16 11)

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

4: (5 12 7)

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