$ jq -c -n -f forward-difference.jq
[90,47,58,29,22,32,55,5,55,73]
[-43,11,-29,-7,10,23,-50,50,18]
[54,-40,22,17,13,-73,100,-32]
[-94,62,-5,-4,-86,173,-132]
[156,-67,1,-82,259,-305]
[-223,68,-83,341,-564]
[291,-151,424,-905]
[-442,575,-1329]
[1017,-1904]
[-2921]
[]
[]