C3123121111331133132313331333133313331333112113313331311211331322331   >>    C312312111133113313231333133313331333133311211331333131121133132233   <<    C3123121111331133132313331333133313331333112113313331311211331322333   >>      C3123121111331133132313331333133313331333112113313331311211331322332   >>