C1111233133313231133133313331333132313231333121211113323132333131   >>    C111123313331323113313331333133313231323133312121111332313233313   <<    C1111233133313231133133313331333132313231333121211113323132333133   >>      C1111233133313231133133313331333132313231333121211113323132333132   >>