Changes

           '''while''' y > -1 '''and''' Vals(x) > nextval                      //go through all the values to left and compare, the inequality sign will

           '''while''' y > -1 '''and''' Vals(x) > nextval                      //go through all the values to left and compare, the inequality sign will

                                                                   //vary based upon the sorting type (nondecreasing or nonincreasing)

                                                                   //vary based upon the sorting type (nondecreasing or nonincreasing)

                 Vals(y + 1) = Vals(i)                            //compare the value to the left because the conditions haven't been met yet

                 Vals(y + 1) = Vals(x)                            //compare the value to the left because the conditions haven't been met yet

                 y--                                              //decrease the counter

                 y--                                              //decrease the counter

           Vals(y + 1) = nextval                                  //store the value in the right position

           Vals(y + 1) = nextval                                  //store the value in the right position