1: (3 6 9)

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

2: (4 17 7)

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

3: (1 10 8)

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

4: (3 14 5)

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