1: (1 9 12)

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

2: (8 14 11)

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

3: (5 17 12)

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

4: (13 20 15)

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