uint68 x = 00001111000011110000111100001111000011110000111100001111000011110000
uint60 y = 111100001111000011110000111100001111000011110000111100001111
part_set(x,y,0,59) = 00001111111100001111000011110000111100001111000011110000111100001111
part_set(x,y,59,0) = 00001111111100001111000011110000111100001111000011110000111100001111
part_set(x,0,0,31) = 00001111000011110000111100001111000000000000000000000000000000000000
exit 0