1: (7 11 13)

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

2: (2 6 11)

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

3: (10 17 12)

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

4: (6 13 9)

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