C13223313311212111133133313331333132313231323331333133313232332321   >>    C1322331331121211113313331333133313231323132333133313331323233232   <<    C13223313311212111133133313331333132313231323331333133313232332323   >>      C13223313311212111133133313331333132313231323331333133313232332322   >>