1: (1 10 15)

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

2: (7 18 14)

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

3: (6 19 8)

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

4: (1 20 17)

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