C132233133112121111331333133313331333132313231332133313123232233331   >>    C13223313311212111133133313331333133313231323133213331312323223333   <<    C132233133112121111331333133313331333132313231332133313123232233333   >>      C132233133112121111331333133313331333132313231332133313123232233332   >>