C11111333133313232233133313331333131133132313311211331312323133323311   >>    C1111133313331323223313331333133313113313231331121133131232313332331   <<    C11111333133313232233133313331333131133132313311211331312323133323313   >>      C11111333133313232233133313331333131133132313311211331312323133323312   >>