C13223313311212111133133313331323133313331323131133133313233112223231   >>    C1322331331121211113313331333132313331333132313113313331323311222323   <<    C13223313311212111133133313331323133313331323131133133313233112223233   >>      C13223313311212111133133313331323133313331323131133133313233112223232   >>