Trailing Bits
So because of the bit removals, relative to the byte each bit position is off by 2 - we can correct this by removing 2 bits at the beginning so that the binary decrypts to valid plaintext, which contains the flag CCTF{it5_3n0u9h_jU5T_tO_sH1ft_M3}

Flag: CCTF{it5_3n0u9h_jU5T_tO_sH1ft_M3}

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