1: (6 9 15)

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

2: (2 15 19)

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

3: (14 20 18)

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

4: (1 17 3)

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