C1111121111331311211331333133313331322133313331311331333132233133313231121   >>    C111112111133131121133133313331333132213331333131133133313223313331323112   <<    C1111121111331311211331333133313331322133313331311331333132233133313231123   >>      C1111121111331311211331333133313331322133313331311331333132233133313231122   >>