1: (7 9 13)

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

2: (6 11 13)

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

3: (10 15 12)

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

4: (2 13 9)

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