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