113 rows of 3: + + = working
122 rows of 4: + = working
132 rows of 2: + = working
143 rows of 4: + + = working
153 rows of 4: + + = working
162 rows of 4: + = working
173 rows of 2: + + = working
183 rows of 4: + + = working
193 rows of 4: + + = working
203 rows of 3: + + = working