C1111121111331311211331333133313331333133313231333133313331323223313232223131   >>    C111112111133131121133133313331333133313331323133313331333132322331323222313   <<    C1111121111331311211331333133313331333133313231333133313331323223313232223133   >>      C1111121111331311211331333133313331333133313231333133313331323223313232223132   >>