+ { 4, DIFF_EASY, FALSE },
+ { 5, DIFF_EASY, FALSE },
+ { 5, DIFF_EASY, TRUE },
+ { 6, DIFF_EASY, FALSE },
+ { 6, DIFF_NORMAL, FALSE },
+ { 6, DIFF_NORMAL, TRUE },
+ { 6, DIFF_HARD, FALSE },
+ { 6, DIFF_EXTREME, FALSE },
+ { 6, DIFF_UNREASONABLE, FALSE },
+ { 9, DIFF_NORMAL, FALSE },