1: (2 5 7)

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

2: (5 10 18)

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

3: (1 15 3)

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

4: (14 19 17)

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