C13223313311212111133133313331333132333133313331323221231311321   >>    C1322331331121211113313331333133313233313331333132322123131132   <<    C13223313311212111133133313331333132333133313331323221231311323   >>      C13223313311212111133133313331333132333133313331323221231311322   >>