C11112331312111112111133133313331323132313232233133313222332323311   >>    C1111233131211111211113313331333132313231323223313331322233232331   <<    C11112331312111112111133133313331323132313232233133313222332323313   >>      C11112331312111112111133133313331323132313232233133313222332323312   >>