C13223313311212111133133313331333132333133313331323221211223321   >>    C1322331331121211113313331333133313233313331333132322121122332   <<    C13223313311212111133133313331333132333133313331323221211223323   >>      C13223313311212111133133313331333132333133313331323221211223322   >>