diff --git a/src/main.rs b/src/main.rs
index 3babea1..e60be64 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -287,155 +287,3 @@ fn main() {
     grid.print();
 }
 
-
-
-
-
-/*
-
-
-/**
-    Only removes possibilities; does not add any
-
-*/
-fn calculate_and_remove_possibilities(grid: &mut Grid){
-
-    for r in 0..9{
-        for c in 0..9 {
-            let cell = &*grid.get(r, c).unwrap();
-
-            let digit : u8 = match &*cell.borrow() {
-                CellValue::FIXED(digit) => {digit.clone()},
-                CellValue::UNKNOWN(_) => {continue}
-            };
-
-            let (row, column, section) = grid.get_vectors_containing_coordinates(r, c).unwrap();
-            let fun = |vec: &Vec<Rc<RefCell<CellValue>>>| vec.iter().for_each(|x| remove_possibility(x.borrow(), &digit));
-
-            fun(row);
-            fun(column);
-            fun(section);
-        }
-    }
-}
-
-
-
-fn remove_possibility(cell: &RefCell<CellValue>, to_remove: &u8){
-    let borrowed_cell = cell.borrow();
-    let value = &*borrowed_cell;
-    let existing_possibilities = match value {
-        CellValue::FIXED(_) => {return},
-        CellValue::UNKNOWN(existing_possibilities) => existing_possibilities
-    };
-
-    let mut new_possibilities = existing_possibilities.clone();
-
-    match new_possibilities.binary_search(to_remove) {
-        Ok(index_remove) => {new_possibilities.remove(index_remove);},
-        _ => {}
-    };
-
-    drop(borrowed_cell);
-
-    let new_cell = CellValue::UNKNOWN(new_possibilities);
-    cell.replace(new_cell);
-}
-
-
-fn main() {
-    let mut grid = retrieve_grid();
-
-    calculate_and_remove_possibilities(&mut grid);
-    grid.print();
-
-}
-
-
-
-
-/**
-    For now this is a stub with a pre-programmed grid; later I'll add functionality to read a CSV file
- */
-fn retrieve_grid() -> Grid {
-    let grid = Grid::new();
-    
-
-    grid.get(0, 4).unwrap().replace(CellValue::FIXED(8));
-    grid.get(0, 5).unwrap().replace(CellValue::FIXED(5));
-    grid.get(0, 6).unwrap().replace(CellValue::FIXED(6));
-
-    grid.get(2, 3).unwrap().replace(CellValue::FIXED(9));
-    grid.get(2, 4).unwrap().replace(CellValue::FIXED(4));
-    grid.get(2, 5).unwrap().replace(CellValue::FIXED(3));
-    grid.get(2, 6).unwrap().replace(CellValue::FIXED(5));
-    grid.get(2, 7).unwrap().replace(CellValue::FIXED(7));
-
-    grid.get(3, 0).unwrap().replace(CellValue::FIXED(8));
-    grid.get(3, 2).unwrap().replace(CellValue::FIXED(2));
-    grid.get(3, 3).unwrap().replace(CellValue::FIXED(6));
-    grid.get(3, 4).unwrap().replace(CellValue::FIXED(7));
-    grid.get(3, 5).unwrap().replace(CellValue::FIXED(4));
-    grid.get(3, 6).unwrap().replace(CellValue::FIXED(9));
-
-    grid.get(4, 4).unwrap().replace(CellValue::FIXED(9));
-    grid.get(4, 8).unwrap().replace(CellValue::FIXED(5));
-
-    grid.get(5, 1).unwrap().replace(CellValue::FIXED(6));
-    grid.get(5, 6).unwrap().replace(CellValue::FIXED(2));
-
-    grid.get(6, 1).unwrap().replace(CellValue::FIXED(8));
-    grid.get(6, 8).unwrap().replace(CellValue::FIXED(2));
-
-    grid.get(7, 3).unwrap().replace(CellValue::FIXED(7));
-    grid.get(7, 5).unwrap().replace(CellValue::FIXED(6));
-    grid.get(7, 7).unwrap().replace(CellValue::FIXED(5));
-    grid.get(7, 8).unwrap().replace(CellValue::FIXED(4));
-
-    grid.get(8, 2).unwrap().replace(CellValue::FIXED(7));
-    grid.get(8, 3).unwrap().replace(CellValue::FIXED(4));
-    
-    /*
-    
-    grid.get_mut(0, 4).unwrap().0 = CellValue::FIXED(8);
-    grid.get_mut(0, 5).unwrap().0 = CellValue::FIXED(5);
-    grid.get_mut(0, 6).unwrap().0 = CellValue::FIXED(6);
-
-    grid.get_mut(2, 3).unwrap().0 = CellValue::FIXED(9);
-    grid.get_mut(2, 4).unwrap().0 = CellValue::FIXED(4);
-    grid.get_mut(2, 5).unwrap().0 = CellValue::FIXED(3);
-    grid.get_mut(2, 6).unwrap().0 = CellValue::FIXED(5);
-    grid.get_mut(2, 7).unwrap().0 = CellValue::FIXED(7);
-
-    grid.get_mut(3, 0).unwrap().0 = CellValue::FIXED(8);
-    grid.get_mut(3, 2).unwrap().0 = CellValue::FIXED(2);
-    grid.get_mut(3, 3).unwrap().0 = CellValue::FIXED(6);
-    grid.get_mut(3, 4).unwrap().0 = CellValue::FIXED(7);
-    grid.get_mut(3, 5).unwrap().0 = CellValue::FIXED(4);
-    grid.get_mut(3, 6).unwrap().0 = CellValue::FIXED(9);
-
-    grid.get_mut(4, 4).unwrap().0 = CellValue::FIXED(9);
-    grid.get_mut(4, 8).unwrap().0 = CellValue::FIXED(5);
-
-    grid.get_mut(5, 1).unwrap().0 = CellValue::FIXED(6);
-    grid.get_mut(5, 6).unwrap().0 = CellValue::FIXED(2);
-
-    grid.get_mut(6, 1).unwrap().0 = CellValue::FIXED(8);
-    grid.get_mut(6, 8).unwrap().0 = CellValue::FIXED(2);
-
-    grid.get_mut(7, 3).unwrap().0 = CellValue::FIXED(7);
-    grid.get_mut(7, 5).unwrap().0 = CellValue::FIXED(6);
-    grid.get_mut(7, 7).unwrap().0 = CellValue::FIXED(5);
-    grid.get_mut(7, 8).unwrap().0 = CellValue::FIXED(4);
-
-    grid.get_mut(8, 2).unwrap().0 = CellValue::FIXED(7);
-    grid.get_mut(8, 3).unwrap().0 = CellValue::FIXED(4);
-    
-     */
-
-
-    return grid;
-}
-
-
- */
\ No newline at end of file