bdc50a contains bc0bc1bc2bc3bc4bc5bc6bc7bc8bc9bcabcbbcbc0bc1bc2bc3bc4bc5bc6bc7bc8bc9bcabcbbccbcdbcebcfcbcdbcebcfbc contains c10c11c12c13c14c15c16c17c18c19c1ac1bc1c10c11c12c13c14c15c16c17c18c19c1ac1bc1cc1dc1ec1fcc1dc1ec1fc1 contains b10b11b12b13b14b15b16b17b18b19b1ab1b10b11b12b13b14b15b16b17b18b19b1ab1bb1cb1db1eb1fbb1cb1db1eb1fb1
contains bc0bc1bc2bc3bc4bc5bc6bc7bc8bc9bcabcbbcbc0bc1bc2bc3bc4bc5bc6bc7bc8bc9bcabcbbccbcdbcebcfcbcdbcebcfbc
contains c10c11c12c13c14c15c16c17c18c19c1ac1bc1c10c11c12c13c14c15c16c17c18c19c1ac1bc1cc1dc1ec1fcc1dc1ec1fc1
contains b10b11b12b13b14b15b16b17b18b19b1ab1b10b11b12b13b14b15b16b17b18b19b1ab1bb1cb1db1eb1fbb1cb1db1eb1fb1