C2212133313231331121111331333133313223313113313331323133313133312131   >>    C221213331323133112111133133313331322331311331333132313331313331213   <<    C2212133313231331121111331333133313223313113313331323133313133312133   >>      C2212133313231331121111331333133313223313113313331323133313133312132   >>