C132233133112121111331333133313331333132322331333133313232223132112323131   >>    C13223313311212111133133313331333133313232233133313331323222313211232313   <<    C132233133112121111331333133313331333132322331333133313232223132112323133   >>      C132233133112121111331333133313331333132322331333133313232223132112323132   >>