C132233133112121111331333133313231333133313231323223313123121121   >>    C13223313311212111133133313331323133313331323132322331312312112   <<    C132233133112121111331333133313231333133313231323223313123121123   >>      C132233133112121111331333133313231333133313231323223313123121122   >>