Pythagorean cups
1-2 10cm-8cm
3-4-5 12cm-10cm-8cm
6-7-8 12cm-10cm-8cm
9-10-11 12cm-10cm-8cm
12-13-14 12cm-10cm-8cm
15-16-17 12cm-10cm-8cm
18-19-20 12cm-10cm-8cm
21-22-23 12cm-10cm-8cm
24-25 10cm-8cm