1: (5 10 20)

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

2: (1 12 9)

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

3: (0 7 2)

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

4: (3 20 18)

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