C11111211113313112113313331333133313331333132313331333133313331333131131123321   >>    C1111121111331311211331333133313331333133313231333133313331333133313113112332   <<    C11111211113313112113313331333133313331333132313331333133313331333131131123323   >>      C11111211113313112113313331333133313331333132313331333133313331333131131123322   >>