1: (3 5 12)

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

2: (1 6 4)

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

3: (5 20 7)

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

4: (0 18 2)

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