C312312111111331312111133133313331322331333133313331323331323133313331311322331   >>    C31231211111133131211113313331333132233133313331333132333132313331333131132233   <<    C312312111111331312111133133313331322331333133313331323331323133313331311322333   >>      C312312111111331312111133133313331322331333133313331323331323133313331311322332   >>