prima banca |-----|-----|
a doua banca |-----|-----|
a treia banca |-----|-----|
a patra banca |-----|-----|
a cincea banca |-----|-----|
a sasea banca |-----|-----|
a saptea banca |-----|-----|
a opta banca |-----|-----|
8 banci a cate 2 elevi : 8 x 2 = 16 elevi sunt in clasa.