C111123313331323113313331333133313331323123231333132313331312111112231   >>    C11112331333132311331333133313331333132312323133313231333131211111223   <<    C111123313331323113313331333133313331323123231333132313331312111112233   >>      C111123313331323113313331333133313331323123231333132313331312111112232   >>