C132233133112121111331333133312111133132311233133313331313331311212121   >>    C13223313311212111133133313331211113313231123313331333131333131121212   <<    C132233133112121111331333133312111133132311233133313331313331311212123   >>      C132233133112121111331333133312111133132311233133313331313331311212122   >>