1: (6 9 16)

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

2: (8 17 15)

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

3: (4 10 7)

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

4: (0 12 9)

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