C132233133112121111331333133313231333133313231133132322133313112121   >>    C13223313311212111133133313331323133313331323113313232213331311212   <<    C132233133112121111331333133313231333133313231133132322133313112123   >>      C132233133112121111331333133313231333133313231133132322133313112122   >>