C312312111111331312111133133313331322331333133313121111332321322321   >>    C31231211111133131211113313331333132233133313331312111133232132232   <<    C312312111111331312111133133313331322331333133313121111332321322323   >>      C312312111111331312111133133313331322331333133313121111332321322322   >>