=>
'(16 0 0 0 0 0 0 0)'(1 2 3 0 0 0 0 0)'(4 8 0 0 0 0 0 0)
'(16 0 0 0 0 0 0 0)
'(1 2 3 0 0 0 0 0)
'(4 8 0 0 0 0 0 0)