C111123313121111121111331333132313331323133313332213331311331323223321   >>    C11112331312111112111133133313231333132313331333221333131133132322332   <<    C111123313121111121111331333132313331323133313332213331311331323223323   >>      C111123313121111121111331333132313331323133313332213331311331323223322   >>