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| 2 | | <symbol viewBox="0 0 10 20"><rect width="10" height="20" fill="purple"/></symbol>
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| 3 | + <symbol viewBox="0 0 10 10"><rect width="10" height="10" fill="green"/></symbol>
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| 4 | X <symbol viewBox="-10 -10 20 20" width="auto" height="auto"><circle r="10" fill="red"/></symbol>
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| 5 | <symbol viewBox="-10 -10 20 20" width="auto" height="auto"></symbol>
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