dig.it sum

ABCDEFGHIJKLM
NOPQRSTUVWXYZ

12345678910111213
14151617181920212223242526

”... dig.it sum…”

1234567891234
5678912345678

”...stack and add…”

/ / / / \ \ \ \
123456789
123456789
12345678
\ \ \ \/ / / /
“nine without a third”
“adding outsides in”

1 + 9 = 10
2 + 8 = 10
3 + 7 = 10
4 + 6 = 10
Top two rows = 40 each, total 80, 5 and 5 center

1 + 8 = 9
2 + 7 = 9
3 + 6 = 9
4 + 5 = 9
Row three = 36×40 = 1440 if minutes, then 1 day
Row three = 36×80 = 2880 if minutes, then 2 days