C3132121111133313233121111331333133313331333133313121111331333132233311   >>    C313212111113331323312111133133313331333133313331312111133133313223331   <<    C3132121111133313233121111331333133313331333133313121111331333132233313   >>      C3132121111133313233121111331333133313331333133313121111331333132233312   >>