1: (1 4 16)

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

2: (0 5 2)

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

3: (4 20 12)

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

4: (9 17 15)

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