Problem types:
SYMBOL_TO_SCHEMATIC:

done SCHEMATIC_TO_SYMBOL_ALL:
done SCHEMATIC_TO_SYMBOL_CHARGE:
done SCHEMATIC_TO_SYMBOL_MASS:
done SCHEMATIC_TO_SYMBOL_PROTON_COUNT:
done COUNTS_TO_ELEMENT:
done COUNTS_TO_CHARGE_QUESTION:
done COUNTS_TO_MASS_QUESTION:
done COUNTS_TO_SYMBOL_ALL:
done COUNTS_TO_SYMBOL_CHARGE:
done COUNTS_TO_SYMBOL_MASS:
done COUNTS_TO_SYMBOL_PROTON_COUNT:
done SCHEMATIC_TO_ELEMENT:
done SCHEMATIC_TO_CHARGE_QUESTION:
done SCHEMATIC_TO_MASS_QUESTION:
done SYMBOL_TO_COUNTS: