O1C3T1O1T1H4O1R1P3
16 points
OCTOTHORP is validvalid
the symbol # on a telephone or keyboard (hash mark, pound sign, number sign)
the symbol # on a telephone or keyboard (hash mark, pound sign, number sign)
the symbol # on a telephone or keyboard (hash mark, pound sign, number sign)
the symbol # on a telephone or keyboard (hash mark, pound sign, number sign)