C1111121111331311211331333133313331333132213331333132313331333231121   >>    C111112111133131121133133313331333133313221333133313231333133323112   <<    C1111121111331311211331333133313331333132213331333132313331333231123   >>      C1111121111331311211331333133313331333132213331333132313331333231122   >>