C1111121111331311211331333133313231333132211312111133133313122132111   >>    C111112111133131121133133313331323133313221131211113313331312213211   <<    C1111121111331311211331333133313231333132211312111133133313122132113   >>      C1111121111331311211331333133313231333132211312111133133313122132112   >>