C11111333133313232233133313331333133313331311211331333133313331333133311231331   >>    C1111133313331323223313331333133313331333131121133133313331333133313331123133   <<    C11111333133313232233133313331333133313331311211331333133313331333133311231333   >>      C11111333133313232233133313331333133313331311211331333133313331333133311231332   >>