1: (2 9 18)

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

2: (0 10 4)

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

3: (1 20 17)

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

4: (3 14 18)

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