C3123121111331133132313331333133313331333112113313331311331323331321   >>    C312312111133113313231333133313331333133311211331333131133132333132   <<    C3123121111331133132313331333133313331333112113313331311331323331323   >>      C3123121111331133132313331333133313331333112113313331311331323331322   >>