If element is present on the mid of the two rows
if ( mat [ i_low , j_mid ] == x ) Console . Write ( " Found ▁ at ▁ ( " + i_low + " , " + j_mid + " ) " ) ; else if ( mat [ i_low + 1 , j_mid ] == x ) Console . Write ( " Found ▁ at ▁ ( " + ( i_low + 1 ) + " , ▁ " + j_mid + " ) " ) ;