C13223313311212111133133313331333133313231323133211113313331312111112213111   >>    C1322331331121211113313331333133313331323132313321111331333131211111221311   <<    C13223313311212111133133313331333133313231323133211113313331312111112213113   >>      C13223313311212111133133313331333133313231323133211113313331312111112213112   >>