+TESTCASES [[/10]]
+-----------------
+ -2 Problem 1-1: no test cases/no test output/no description in TESTCASES
+ -1 Problem 1-1: not enough testing/inconclusive test output
+ -2 Problem 1-2: no test cases/no test output/no description in TESTCASES
+ -1 Problem 1-2: not enough testing/inconclusive test output
+ -2 Problem 1-3: no test cases/no test output/no description in TESTCASES
+ -1 Problem 1-3: not enough testing/inconclusive test output
+ -2 Problem 1-4: no test cases/no test output/no description in TESTCASES
+ -1 Problem 1-4: not enough testing/inconclusive test output
+
+
+DESIGN [[/40]]
+--------------