Znamenny Combining Mark Tsata S Kryzhem (U+1CF18) is a Unicode nonspacing mark from the Znamenny Musical Notation block. It resides on Plane 1 (SMP, Supplementary Multilingual Plane), has bidirectional class NSM (nonspacing mark), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as 𜼘 or 𜼘. Because it is outside the Basic Multilingual Plane, proper font support is required; otherwise a fallback box may be shown.