1: (5 12 16)

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

2: (1 15 7)

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

3: (5 13 10)

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

4: (6 18 8)

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