1: (7 10 13)

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

2: (5 10 8)

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

3: (9 15 11)

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

4: (2 13 8)

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