C132233133112121111331333133313331333132313231332133313113313133112331   >>    C13223313311212111133133313331333133313231323133213331311331313311233   <<    C132233133112121111331333133313331333132313231332133313113313133112333   >>      C132233133112121111331333133313331333132313231332133313113313133112332   >>