C312312111111331312111133133313331322331333133313121111331333133313131233131   >>    C31231211111133131211113313331333132233133313331312111133133313331313123313   <<    C312312111111331312111133133313331322331333133313121111331333133313131233133   >>      C312312111111331312111133133313331322331333133313121111331333133313131233132   >>