C31231211111133131211113313331323133313331311233132313331322133313232131   >>    C3123121111113313121111331333132313331333131123313231333132213331323213   <<    C31231211111133131211113313331323133313331311233132313331322133313232133   >>      C31231211111133131211113313331323133313331311233132313331322133313232132   >>