1: (8 11 16)

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

2: (6 12 9)

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

3: (2 15 11)

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

4: (10 17 13)

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