C132233133112121111331333133313331333132313231332111133133313331121111223213131   >>    C13223313311212111133133313331333133313231323133211113313331333112111122321313   <<    C132233133112121111331333133313331333132313231332111133133313331121111223213133   >>      C132233133112121111331333133313331333132313231332111133133313331121111223213132   >>