cfbcfb contains cb0cb1cb2cb3cb4cb5cb6cb7cb8cb9cbacbbcbcb0cb1cb2cb3cb4cb5cb6cb7cb8cb9cbacbbcbccbdcbecbfccbdcbecbfcb contains bf0bf1bf2bf3bf4bf5bf6bf7bf8bf9bfabfbbfbf0bf1bf2bf3bf4bf5bf6bf7bf8bf9bfabfbbfcbfdbfebffcbfdbfebffbf contains cf0cf1cf2cf3cf4cf5cf6cf7cf8cf9cfacfbcfccfcf0cf1cf2cf3cf4cf5cf6cf7cf8cf9cfacfbcfccfdcfecffdcfecffcf
contains cb0cb1cb2cb3cb4cb5cb6cb7cb8cb9cbacbbcbcb0cb1cb2cb3cb4cb5cb6cb7cb8cb9cbacbbcbccbdcbecbfccbdcbecbfcb
contains bf0bf1bf2bf3bf4bf5bf6bf7bf8bf9bfabfbbfbf0bf1bf2bf3bf4bf5bf6bf7bf8bf9bfabfbbfcbfdbfebffcbfdbfebffbf
contains cf0cf1cf2cf3cf4cf5cf6cf7cf8cf9cfacfbcfccfcf0cf1cf2cf3cf4cf5cf6cf7cf8cf9cfacfbcfccfdcfecffdcfecffcf