1: (4 6 12)

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

2: (11 12 13)

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

3: (1 7 5)

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

4: (6 20 12)

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