1: (1 10 13)

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

2: (9 17 11)

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

3: (5 10 15)

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

4: (6 16 14)

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