1: (1 10 12)

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

2: (9 14 11)

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

3: (8 19 12)

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

4: (6 20 18)

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