1: (0 8 16)

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

2: (6 10 12)

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

3: (9 14 11)

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

4: (13 17 15)

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