C11111333133313232233133313331333133313231333133313331121133133313233122321   >>    C1111133313331323223313331333133313331323133313331333112113313331323312232   <<    C11111333133313232233133313331333133313231333133313331121133133313233122323   >>      C11111333133313232233133313331333133313231333133313331121133133313233122322   >>