C3123121111113313121111331333132313331311331322331333132323213112121   >>    C312312111111331312111133133313231333131133132233133313232321311212   <<    C3123121111113313121111331333132313331311331322331333132323213112123   >>      C3123121111113313121111331333132313331311331322331333132323213112122   >>