C13223313311212111133133313331323133313233313121111331333133313121111113213111   >>    C1322331331121211113313331333132313331323331312111133133313331312111111321311   <<    C13223313311212111133133313331323133313233313121111331333133313121111113213113   >>      C13223313311212111133133313331323133313233313121111331333133313121111113213112   >>