C13223313311212111133133313331333133313231323133211113313331333112111122321311   >>    C1322331331121211113313331333133313331323132313321111331333133311211112232131   <<    C13223313311212111133133313331333133313231323133211113313331333112111122321313   >>      C13223313311212111133133313331333133313231323133211113313331333112111122321312   >>