text: public static int Intersect(CellRangeAddress crA, CellRangeAddress crB){int firstRow = crB.FirstRow;int lastRow = crB.LastRow;int firstCol = crB.FirstColumn;int lastCol = crB.LastColumn;if(gt(crA.FirstRow, lastRow) ||lt(crA.LastRow, firstRow) ||gt(crA.FirstColumn, lastCol) ||lt(crA.LastColumn, firstCol)){return NO_INTERSECTION;}else if (Contains(crA, crB)){return INSIDE;}else if (Contains(crB, crA)){return ENCLOSES;}else{return OVERLAP;}}