C3132121111133313233121111331333133313331333133313331333131123313123311   >>    C313212111113331323312111133133313331333133313331333133313112331312331   <<    C3132121111133313233121111331333133313331333133313331333131123313123313   >>      C3132121111133313233121111331333133313331333133313331333131123313123312   >>