1: (9 10 16)

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

2: (2 10 19)

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

3: (1 17 3)

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

4: (14 20 18)

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