C132233133112121111331333133313231333133313231323221211111133133313232131   >>    C13223313311212111133133313331323133313331323132322121111113313331323213   <<    C132233133112121111331333133313231333133313231323221211111133133313232133   >>      C132233133112121111331333133313231333133313231323221211111133133313232132   >>