C11111333133313232233133313331333133313331311211331333131113231   >>    C1111133313331323223313331333133313331333131121133133313111323   <<    C11111333133313232233133313331333133313331311211331333131113233   >>      C11111333133313232233133313331333133313331311211331333131113232   >>