C11111211113313112113313331333133313331333132313331333133313331333112111113311   >>    C1111121111331311211331333133313331333133313231333133313331333133311211111331   <<    C11111211113313112113313331333133313331333132313331333133313331333112111113313   >>      C11111211113313112113313331333133313331333132313331333133313331333112111113312   >>