3
4
24,15,39
21,10,18,29
0, 0, 0, 0
0, 0, 0, 0
0, 0, 0, 0
# 
# Problem from
# http://en.wikipedia.org/wiki/Survo_Puzzle, third example
# difficulty 150 ("open puzzle", i.e. no hints)
# It's an unique solution.
#
#
# Copyright 2010 Hakan Kjellerstrand hakank@bonetmail.com
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.