See also: KanazawaTesujiSeries
Total 31 problems.
* GP stands for the links to the probems, on goproblems.com.
Hint: name your solution or failure diagram like OD1P - July 31 Problem / Solution, OD1P - July 26 Problem / Failure. If there is more than one page add a number at the end like OD1P - July 28 Problem / Solution OD1P - July 28 Problem / Solution2.