Tetris: Versatile TFHE LUT and Its Application to FHE Instruction Set Architecture. - Ruida Wang; Jikang Bai; Xuan Shen; Xianhui Lu; Zhihao Li 001; Binwu Xiang; Zhiwei Wang; Hongyu Wang; Lutan Zhao; Kunpeng Wang 001; Rui Hou 001 (IACR Cryptol. ePrint Arch., 2025)