var row1 = [{
  goal: "d3.geo",
  url: ""
}, {
  goal: "data defines position",
  url: ""
}, {
  goal: "build a D3-related tool",
  url: ""
}, {
  goal: "d3.nest",
  url: ""
}, {
  goal: "data defines text size",
  url: ""
}]

var row2 = [{
  goal: "data defines angle",
  url: ""
}, {
  goal: "teach/explain a D3 function",
  url: ""
}, {
  goal: "scatterplot, from scratch",
  url: ""
}, {
  goal: "nested data binding",
  url: ""
}, {
  goal: "log scale",
  url: ""
}]

var row3 = [{
  goal: "chain transitions",
  url: ""
}, {
  goal: "interpolation",
  url: ""
}, {
  goal: "FREE",
  url: "http://bl.ocks.org/kenpenn/raw/9476266/",
  free: true
}, {
  goal: "use HCL, HSL, or LAB colors",
  url: ""
}, {
  goal: "mouse position as input data",
  url: ""
}]

var row4 = [{
  goal: "closest point using voronoi",
  url: ""
}, {
  goal: "d3.geom.hull",
  url: ""
}, {
  goal: "color brewer",
  url: ""
}, {
  goal: "enter/exit transformation w/ object constancy",
  url: ""
}, {
  goal: "d3.layout",
  url: ""
}]

var row5 = [{
  goal: "D3 and canvas",
  url: ""
}, {
  goal: "create a d3.layout",
  url: ""
}, {
  goal: "fork a block on blockbuilder",
  url: ""
}, {
  goal: "animation",
  url: ""
}, {
  goal: "brush",
  url: ""
}]

var bingoBlocks = [row1, row2, row3, row4, row5]