1: (4 7 12)

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

2: (6 14 9)

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

3: (3 8 5)

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

4: (0 11 7)

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