C312312111111331312111133133313331322331333133313331323331323132313331121132311   >>    C31231211111133131211113313331333132233133313331333132333132313231333112113231   <<    C312312111111331312111133133313331322331333133313331323331323132313331121132313   >>      C312312111111331312111133133313331322331333133313331323331323132313331121132312   >>