C13223313311212111133133313331333133313233121333133313231312111   >>    C1322331331121211113313331333133313331323312133313331323131211   <<    C13223313311212111133133313331333133313233121333133313231312113   >>      C13223313311212111133133313331333133313233121333133313231312112   >>