C111113331333132322331333133313331333133313121111331333121111331323132211311   >>    C11111333133313232233133313331333133313331312111133133312111133132313221131   <<    C111113331333132322331333133313331333133313121111331333121111331323132211313   >>      C111113331333132322331333133313331333133313121111331333121111331323132211312   >>