C13223313311212111133133313331333133313233121333131133132223311   >>    C1322331331121211113313331333133313331323312133313113313222331   <<    C13223313311212111133133313331333133313233121333131133132223313   >>      C13223313311212111133133313331333133313233121333131133132223312   >>