C11111211113313112113313331333133313331333132313331333133313331323331311112311   >>    C1111121111331311211331333133313331333133313231333133313331333132333131111231   <<    C11111211113313112113313331333133313331333132313331333133313331323331311112313   >>      C11111211113313112113313331333133313331333132313331333133313331323331311112312   >>