1: (3 16 19)

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

2: (0 18 5)

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

3: (14 20 17)

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

4: (2 19 9)

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