C312312111111331312111133133313331333133313231333132313331333132231   >>    C31231211111133131211113313331333133313331323133313231333133313223   <<    C312312111111331312111133133313331333133313231333132313331333132233   >>      C312312111111331312111133133313331333133313231333132313331333132232   >>