C3123121111113313121111331333132313331311331322313331333133313113313232323221   >>    C312312111111331312111133133313231333131133132231333133313331311331323232322   <<    C3123121111113313121111331333132313331311331322313331333133313113313232323223   >>      C3123121111113313121111331333132313331311331322313331333133313113313232323222   >>