BEGINTEST ȷȷ LATIN SMALL LETTER DOTLESS J ˙˙ DOT ABOVE ΓΓ GREEK CAPITAL LETTER GAMMA ΣΣ GREEK CAPITAL LETTER SIGMA ‾‾ OVERLINE ℏℏℏ PLANCK CONSTANT OVER TWO PI ℘℘ SCRIPT CAPITAL P ↕↕ UP DOWN ARROW ⇕⇕ UP DOWN DOUBLE ARROW ∇∇ NABLA ∉∉ NOT AN ELEMENT OF ∏∏ N-ARY PRODUCT ∐∐ N-ARY COPRODUCT ∑∑ N-ARY SUMMATION ⊄⊄ NOT A SUBSET OF ⊅⊅ NOT A SUPERSET OF ⎛⎛ LEFT PARENTHESIS UPPER HOOK ⎜⎜ LEFT PARENTHESIS EXTENSION ⎝⎝ LEFT PARENTHESIS LOWER HOOK ⎞⎞ RIGHT PARENTHESIS UPPER HOOK ⎟⎟ RIGHT PARENTHESIS EXTENSION ⎠⎠ RIGHT PARENTHESIS LOWER HOOK ⎡⎡ LEFT SQUARE BRACKET UPPER CORNER ⎢⎢ LEFT SQUARE BRACKET EXTENSION ⎣⎣ LEFT SQUARE BRACKET LOWER CORNER ⎤⎤ RIGHT SQUARE BRACKET UPPER CORNER ⎥⎥ RIGHT SQUARE BRACKET EXTENSION ⎦⎦ RIGHT SQUARE BRACKET LOWER CORNER ⎧⎧ LEFT CURLY BRACKET UPPER HOOK ⎨⎨ LEFT CURLY BRACKET MIDDLE PIECE ⎩⎩ LEFT CURLY BRACKET LOWER HOOK ⎪⎪⎪⎪ CURLY BRACKET EXTENSION ⎫⎫ RIGHT CURLY BRACKET UPPER HOOK ⎬⎬ RIGHT CURLY BRACKET MIDDLE PIECE ⎭⎭ RIGHT CURLY BRACKET LOWER HOOK ♠♠ BLACK SPADE SUIT ♣♣ BLACK CLUB SUIT ♥♥ BLACK HEART SUIT ♦♦ BLACK DIAMOND SUIT ✓✓ CHECK MARK ENDTEST