1: (5 10 20)

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

2: (6 10 17)

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

3: (3 12 9)

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

4: (1 7 4)

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