31. In modern Church Slavonic, there are three stress marks ( acute, grave, and circumflex ). 32. These are conventionally denoted with a macron, while the original long vowels are denoted with a circumflex . 33. The circumflex accent, " tvirtagal " changes from weaker and lower to stronger and higher. 34. It corresponds to Latin letter G with circumflex ( " " ). 35. It corresponds to Latin letter X with circumflex ( X x " X x " ). 36. When accented, they had the same pitch contour ( though nondistinctive ) as a circumflex -accented syllable. 37. Other tributaries include the subscapular vein, circumflex humeral vein, lateral thoracic vein and thoraco-acromial vein. 38. Within Umlauted suffixes, a circumflex or caron is used as appropriate on the first vowel of the suffix. 39. The lateral wall of the left ventricle is supplied by branches of the left circumflex ( LCx ) arteries. 40. In an unstressed position, the opposition of the two accents is neutralized and reflected by a circumflex accent.