C1111121111331311211331333133313331333133313231333133313331333132313233122321   >>    C111112111133131121133133313331333133313331323133313331333133313231323312232   <<    C1111121111331311211331333133313331333133313231333133313331333132313233122323   >>      C1111121111331311211331333133313331333133313231333133313331333132313233122322   >>