C1111233133313231133133313331333132313331333133313311211113313331311111   >>    C111123313331323113313331333133313231333133313331331121111331333131111   <<    C1111233133313231133133313331333132313331333133313311211113313331311113   >>      C1111233133313231133133313331333132313331333133313311211113313331311112   >>