FRO 0 0 BY  0 ATT 1 POI 2
BY 0  ATT 1 POI 2
BY -,0 ATT 1 POI 2
TO 0 0 POI 2
JOI EXT 1 2 BLE  
JOI EXT 2 3 BLE  
JOI EXT 3 4 BLE  
JOI EXT 4 1 BLE  
TRY;SEC LAYOUT;REC;LAYOUT;YRT
SUB A POS 0 0 ATT 0;FILE A INT
MER A TO A
TRY;COP 1 BY  0 TIM -1;REC;YRT
TRY;COP .. BY 0  TIM -1;REC;YRT