C1111121111331311211331333133313331333133313231333133313331333231323221311   >>    C111112111133131121133133313331333133313331323133313331333133323132322131   <<    C1111121111331311211331333133313331333133313231333133313331333231323221313   >>      C1111121111331311211331333133313331333133313231333133313331333231323221312   >>