C3123121111113313121111331333132313331311331322313331333133313223322321   >>    C312312111111331312111133133313231333131133132231333133313331322332232   <<    C3123121111113313121111331333132313331311331322313331333133313223322323   >>      C3123121111113313121111331333132313331311331322313331333133313223322322   >>