PRT1
4
4
4 0 2 (256 0 576 ) (0 0 576 ) (0 0 0 ) (256 0 0 ) 
4 0 1 (0 0 0 ) (0 0 576 ) (0 192 576 ) (0 192 0 ) 
4 1 3 (0 0 0 ) (0 0 576 ) (-704 0 576 ) (-704 0 0 ) 
4 2 3 (0 0 576 ) (0 0 0 ) (0 -576 0 ) (0 -576 576 )