C13223313311212111133133313331323133313233313121111331333133313222223311   >>    C1322331331121211113313331333132313331323331312111133133313331322222331   <<    C13223313311212111133133313331323133313233313121111331333133313222223313   >>      C13223313311212111133133313331323133313233313121111331333133313222223312   >>