C13223313311212111133133313331333133313232233133313331333222232321   >>    C1322331331121211113313331333133313331323223313331333133322223232   <<    C13223313311212111133133313331333133313232233133313331333222232323   >>      C13223313311212111133133313331333133313232233133313331333222232322   >>