counts only while shown

row 1, above

row 2, above

row 3, above

row 4, above

row 5, above

row 6, above

row 7, above

row 8, above

row 10, below

row 11, below

row 12, below

row 13, below

row 14, below

row 15, below

row 16, below

row 17, below