C312312111111331312111133133313331322331333133313331323331323133313331333223311   >>    C31231211111133131211113313331333132233133313331333132333132313331333133322331   <<    C312312111111331312111133133313331322331333133313331323331323133313331333223313   >>      C312312111111331312111133133313331322331333133313331323331323133313331333223312   >>