Consider the following arrangement of students in a classroom of three rows.

$\backslash$table$[[$Student $1,$ Student $2,$ Student $3,$ Student $4,$

Student $5],[$Student $6,$ Student $7,$ Student $8,$

Student $9,$ Student $10],[$Student $11,$ Student $12,$

Student $13,$ Student $14,$ Student $15]]$