C1111121111331311211331333133313231333132213233313331323221333131121131331121   >>    C111112111133131121133133313331323133313221323331333132322133313112113133112   <<    C1111121111331311211331333133313231333132213233313331323221333131121131331123   >>      C1111121111331311211331333133313231333132213233313331323221333131121131331122   >>