viewof critters = {
let teCritters = []
for(let gen=0;gen<crittersX*crittersY;gen++){
let critterArray = []
for(let L=0;L<8;L++){
let teBits = Array.from({length: 4}, d3.randomInt(0, 2));
teBits.push(teBits[3],teBits[2],teBits[1],teBits[0]);
critterArray.push(teBits);
}
teCritters.push(critterArray)
}
return teCritters
}