C11111333133313232233133313331333133313223313331323132233133323311311   >>    C1111133313331323223313331333133313331322331333132313223313332331131   <<    C11111333133313232233133313331333133313223313331323132233133323311313   >>      C11111333133313232233133313331333133313223313331323132233133323311312   >>