7% rejected share, TT-Miner 2.1.4, 1080ti, xzc.2miners.com:8080, ping 47ms, MTP-100 and MTP-92, XZC.
CryptoDredge 0.16 was also about 5%, and new 0.16.1 was 0.2% rejected.
Still write "Error(pool): Low difficulty share(23)"

15:59:30 Rig-Speed[2 min]: 26.385 MH/s [A7674:R622] Uptime: 1 05:21:45 LastShare: 00:00:01
15:59:31 Error(pool): Low difficulty share(23)
15:59:31 GPU[0]: **Rejected 0 ms. xzc.2miners.com:8080 [54.36.109.3]
15:59:35 Error(pool): Low difficulty share(23)
15:59:35 GPU[0]: **Rejected 0 ms. xzc.2miners.com:8080 [54.36.109.3]