C132233133112121111331333133313331333132313231332133313232223131331   >>    C13223313311212111133133313331333133313231323133213331323222313133   <<    C132233133112121111331333133313331333132313231332133313232223131333   >>      C132233133112121111331333133313331333132313231332133313232223131332   >>