C31231211111133131211113313231333133313231333132313331333133313223323231   >>    C3123121111113313121111331323133313331323133313231333133313331322332323   <<    C31231211111133131211113313231333133313231333132313331333133313223323233   >>      C31231211111133131211113313231333133313231333132313331333133313223323232   >>