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Continents (1189)
Instruction:
Place a number from the specified set into some cells so that exactly the specified set of numbers appears in each row and column.
Two cells are considered to be in the same group if they both contain numbers and touch along an edge. The value of a group is the sum of all numbers in that group. The numbers outside the grid indicate the value of the first group that can be seen in the respective row or column from the respective direction.