There area total 12 seating rows in Section 309 at the MTS Centre. All rows are numbered starting with Row 1 at the front and ending at Row 12 in the back of the section. As you face the ice from any seating row, Seat 1 will always be furthest to the right.

Seat view from Section 309 Row A at MTS Centre
Section 309 features 12 numbered rows of seating - the photo above illustrates the seat view from the middle of the section (taken from Row 6)