if(n>0){
var seatCol;
var seatRow;
var sitTogether = false;
var seatDistance = seatCol(pax(n))-seatCol(pax(n-1));
if (seatRow(pax(n)) == seatRow(pax(n-1)) & (seatDistance == 1 || seatDistance == -1)) sitTogether = true;
if(sitTogether) assignSeat(pax(n));
}