C312312111133131212111133133313231333133313331323221211113323132231   >>    C31231211113313121211113313331323133313331333132322121111332313223   <<    C312312111133131212111133133313231333133313331323221211113323132233   >>      C312312111133131212111133133313231333133313331323221211113323132232   >>