C3123121111113313121111331333132313331311331322313331333133313232223213223131   >>    C312312111111331312111133133313231333131133132231333133313331323222321322313   <<    C3123121111113313121111331333132313331311331322313331333133313232223213223133   >>      C3123121111113313121111331333132313331311331322313331333133313232223213223132   >>