1: (7 11 17)

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

2: (6 12 8)

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

3: (5 14 11)

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

4: (4 15 13)

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