Plot()
 {
  D_Sequence( "House 1 beam 2")
  {
   R_Date( "H-1-2-A", 222, 32);
   Gap(35,0);
   R_Date( "H-1-2-B", 121, 26);
   Gap(44,0);
   R_Date( "H-1-2-C", 177, 25);
  };
  D_Sequence( "House 1 and 4 floating chronology")
  {
   R_Date( "H-1-4-A", 164, 37);
   Gap(21);
   R_Date( "H-1-4-B", 179, 20);
   Gap(7);
   R_Date( "H-4-1-A", 280, 110);
   Gap(2.5);
   R_Date( "H-1-4-C", 223, 20);
   Gap(15.5);
   R_Date( "H-4-1-B", 207, 25);
   Gap(10);
   R_Date( "H-4-1-C", 125, 20);
  };
 };