C11111333133313232233133313331333133313331312111133133312111133131322131   >>    C1111133313331323223313331333133313331333131211113313331211113313132213   <<    C11111333133313232233133313331333133313331312111133133312111133131322133   >>      C11111333133313232233133313331333133313331312111133133312111133131322132   >>