C13223313311212111133133313331323133313331323131133133313133123321   >>    C1322331331121211113313331333132313331333132313113313331313312332   <<    C13223313311212111133133313331323133313331323131133133313133123323   >>      C13223313311212111133133313331323133313331323131133133313133123322   >>