C1111121111331311211331333133313231333132211312111133133322333123311   >>    C111112111133131121133133313331323133313221131211113313332233312331   <<    C1111121111331311211331333133313231333132211312111133133322333123313   >>      C1111121111331311211331333133313231333132211312111133133322333123312   >>