1: (1 10 13)

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

2: (9 15 11)

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

3: (12 20 14)

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

4: (8 16 13)

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