diff --git a/data/inputs/balanced-book-1.in.csv b/data/inputs/balanced-book-1.in.csv
new file mode 100644
index 0000000..a6127e3
--- /dev/null
+++ b/data/inputs/balanced-book-1.in.csv
@@ -0,0 +1,9 @@
+N,1,IBM,10,100,B,1
+N,1,IBM,12,100,S,2
+N,2,IBM,9,100,B,101
+N,2,IBM,11,100,S,102
+N,1,IBM,11,100,B,3
+N,2,IBM,10,100,S,103
+N,1,IBM,10,100,B,4
+N,2,IBM,11,100,S,104
+F
diff --git a/data/inputs/balanced-book-2.in.csv b/data/inputs/balanced-book-2.in.csv
new file mode 100644
index 0000000..9a40dc9
--- /dev/null
+++ b/data/inputs/balanced-book-2.in.csv
@@ -0,0 +1,6 @@
+N,1,IBM,10,100,B,1
+N,1,IBM,12,100,S,2
+N,2,IBM,9,100,B,101
+N,2,IBM,11,100,S,102
+N,2,IBM,9,100,S,103
+F
diff --git a/data/inputs/balanced-book-3.in.csv b/data/inputs/balanced-book-3.in.csv
new file mode 100644
index 0000000..8975217
--- /dev/null
+++ b/data/inputs/balanced-book-3.in.csv
@@ -0,0 +1,6 @@
+N,1,IBM,10,100,B,1
+N,1,IBM,12,100,S,2
+N,2,IBM,9,100,B,101
+N,2,IBM,11,100,S,102
+N,1,IBM,12,100,B,103
+F
diff --git a/data/inputs/balanced-book-4.in.csv b/data/inputs/balanced-book-4.in.csv
new file mode 100644
index 0000000..e606b6d
--- /dev/null
+++ b/data/inputs/balanced-book-4.in.csv
@@ -0,0 +1,6 @@
+N,1,IBM,10,100,B,1
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+N,2,IBM,9,100,B,101
+N,2,IBM,11,100,S,102
+N,2,IBM,10,20,S,103
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diff --git a/data/inputs/balanced-book-5.in.csv b/data/inputs/balanced-book-5.in.csv
new file mode 100644
index 0000000..7f1e7fe
--- /dev/null
+++ b/data/inputs/balanced-book-5.in.csv
@@ -0,0 +1,6 @@
+N,1,IBM,10,100,B,1
+N,1,IBM,12,100,S,2
+N,2,IBM,9,100,B,101
+N,2,IBM,11,100,S,102
+N,1,IBM,11,20,B,3
+F
diff --git a/data/inputs/balanced-book-6.in.csv b/data/inputs/balanced-book-6.in.csv
new file mode 100644
index 0000000..300e811
--- /dev/null
+++ b/data/inputs/balanced-book-6.in.csv
@@ -0,0 +1,7 @@
+N,1,IBM,10,100,B,1
+N,1,IBM,12,100,S,2
+N,2,IBM,9,100,B,101
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+C,1,1
+C,2,102
+F
diff --git a/data/inputs/balanced-book-7.in.csv b/data/inputs/balanced-book-7.in.csv
new file mode 100644
index 0000000..12da81f
--- /dev/null
+++ b/data/inputs/balanced-book-7.in.csv
@@ -0,0 +1,7 @@
+N,1,IBM,10,100,B,1
+N,1,IBM,12,100,S,2
+N,2,IBM,9,100,B,101
+N,2,IBM,11,100,S,102
+C,1,2
+C,2,101
+F
diff --git a/data/inputs/balanced-book-8.in.csv b/data/inputs/balanced-book-8.in.csv
new file mode 100644
index 0000000..f40af1e
--- /dev/null
+++ b/data/inputs/balanced-book-8.in.csv
@@ -0,0 +1,7 @@
+N,1,IBM,10,100,B,1
+N,1,IBM,12,100,S,2
+N,2,IBM,9,100,B,101
+N,2,IBM,11,100,S,102
+C,1,1
+C,2,101
+F
diff --git a/data/inputs/balanced-book-9.in.csv b/data/inputs/balanced-book-9.in.csv
new file mode 100644
index 0000000..948e5d5
--- /dev/null
+++ b/data/inputs/balanced-book-9.in.csv
@@ -0,0 +1,9 @@
+N,1,IBM,10,100,B,1
+N,1,IBM,12,100,S,2
+N,2,IBM,9,100,B,101
+N,2,IBM,11,100,S,102
+N,2,IBM,11,100,S,103
+C,2,103
+C,2,102
+C,1,2
+F
diff --git a/data/inputs/empty.in.csv b/data/inputs/empty.in.csv
new file mode 100644
index 0000000..e69de29
diff --git a/data/inputs/shallow-ask.in.csv b/data/inputs/shallow-ask.in.csv
new file mode 100644
index 0000000..433b4ed
--- /dev/null
+++ b/data/inputs/shallow-ask.in.csv
@@ -0,0 +1,6 @@
+N,1,VAL,10,100,B,1
+N,2,VAL,9,100,B,101
+N,2,VAL,11,100,S,102
+N,1,VAL,11,100,B,2
+N,2,VAL,11,100,S,103
+F
diff --git a/data/inputs/shallow-bid.in.csv b/data/inputs/shallow-bid.in.csv
new file mode 100644
index 0000000..6ea5c88
--- /dev/null
+++ b/data/inputs/shallow-bid.in.csv
@@ -0,0 +1,6 @@
+N,1,AAPL,10,100,B,1
+N,1,AAPL,12,100,S,2
+N,2,AAPL,11,100,S,102
+N,2,AAPL,10,100,S,103
+N,1,AAPL,10,100,B,3
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diff --git a/data/inputs/tighten-spread-through-new-limit-orders.in.csv b/data/inputs/tighten-spread-through-new-limit-orders.in.csv
new file mode 100644
index 0000000..b7e4555
--- /dev/null
+++ b/data/inputs/tighten-spread-through-new-limit-orders.in.csv
@@ -0,0 +1,7 @@
+N,1,IBM,10,100,B,1
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+N,2,IBM,15,100,S,102
+N,2,IBM,11,100,B,103
+N,1,IBM,14,100,S,3
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diff --git a/data/outputs/balanced-book-1.out.csv b/data/outputs/balanced-book-1.out.csv
new file mode 100644
index 0000000..1a8d419
--- /dev/null
+++ b/data/outputs/balanced-book-1.out.csv
@@ -0,0 +1,13 @@
+A,1,1
+B,B,10,100
+A,1,2
+B,S,12,100
+A,2,101
+A,2,102
+B,S,11,100
+R,1,3
+R,2,103
+A,1,4
+B,B,10,200
+A,2,104
+B,S,11,200
diff --git a/data/outputs/balanced-book-2.out.csv b/data/outputs/balanced-book-2.out.csv
new file mode 100644
index 0000000..1e7248d
--- /dev/null
+++ b/data/outputs/balanced-book-2.out.csv
@@ -0,0 +1,8 @@
+A,1,1
+B,B,10,100
+A,1,2
+B,S,12,100
+A,2,101
+A,2,102
+B,S,11,100
+R,2,103
diff --git a/data/outputs/balanced-book-3.out.csv b/data/outputs/balanced-book-3.out.csv
new file mode 100644
index 0000000..0bdb012
--- /dev/null
+++ b/data/outputs/balanced-book-3.out.csv
@@ -0,0 +1,8 @@
+A,1,1
+B,B,10,100
+A,1,2
+B,S,12,100
+A,2,101
+A,2,102
+B,S,11,100
+R,1,103
diff --git a/data/outputs/balanced-book-4.out.csv b/data/outputs/balanced-book-4.out.csv
new file mode 100644
index 0000000..1e7248d
--- /dev/null
+++ b/data/outputs/balanced-book-4.out.csv
@@ -0,0 +1,8 @@
+A,1,1
+B,B,10,100
+A,1,2
+B,S,12,100
+A,2,101
+A,2,102
+B,S,11,100
+R,2,103
diff --git a/data/outputs/balanced-book-5.out.csv b/data/outputs/balanced-book-5.out.csv
new file mode 100644
index 0000000..a17f118
--- /dev/null
+++ b/data/outputs/balanced-book-5.out.csv
@@ -0,0 +1,8 @@
+A,1,1
+B,B,10,100
+A,1,2
+B,S,12,100
+A,2,101
+A,2,102
+B,S,11,100
+R,1,3
diff --git a/data/outputs/balanced-book-6.out.csv b/data/outputs/balanced-book-6.out.csv
new file mode 100644
index 0000000..744aaf4
--- /dev/null
+++ b/data/outputs/balanced-book-6.out.csv
@@ -0,0 +1,11 @@
+A,1,1
+B,B,10,100
+A,1,2
+B,S,12,100
+A,2,101
+A,2,102
+B,S,11,100
+A,1,1
+B,B,9,100
+A,2,102
+B,S,12,100
diff --git a/data/outputs/balanced-book-7.out.csv b/data/outputs/balanced-book-7.out.csv
new file mode 100644
index 0000000..24e311c
--- /dev/null
+++ b/data/outputs/balanced-book-7.out.csv
@@ -0,0 +1,9 @@
+A,1,1
+B,B,10,100
+A,1,2
+B,S,12,100
+A,2,101
+A,2,102
+B,S,11,100
+A,1,2
+A,2,101
diff --git a/data/outputs/balanced-book-8.out.csv b/data/outputs/balanced-book-8.out.csv
new file mode 100644
index 0000000..0ead100
--- /dev/null
+++ b/data/outputs/balanced-book-8.out.csv
@@ -0,0 +1,11 @@
+A,1,1
+B,B,10,100
+A,1,2
+B,S,12,100
+A,2,101
+A,2,102
+B,S,11,100
+A,1,1
+B,B,9,100
+A,2,101
+B,B,-,-
diff --git a/data/outputs/balanced-book-9.out.csv b/data/outputs/balanced-book-9.out.csv
new file mode 100644
index 0000000..6694e17
--- /dev/null
+++ b/data/outputs/balanced-book-9.out.csv
@@ -0,0 +1,15 @@
+A,1,1
+B,B,10,100
+A,1,2
+B,S,12,100
+A,2,101
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+B,S,11,100
+A,2,103
+B,S,11,200
+A,2,103
+B,S,11,100
+A,2,102
+B,S,12,100
+A,1,2
+B,S,-,-
diff --git a/data/outputs/empty.out.csv b/data/outputs/empty.out.csv
new file mode 100644
index 0000000..e69de29
diff --git a/data/outputs/shallow-ask.out.csv b/data/outputs/shallow-ask.out.csv
new file mode 100644
index 0000000..0665b01
--- /dev/null
+++ b/data/outputs/shallow-ask.out.csv
@@ -0,0 +1,8 @@
+A,1,1
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+A,2,101
+A,2,102
+B,S,11,100
+R,1,2
+A,2,103
+B,S,11,200
diff --git a/data/outputs/shallow-bid.out.csv b/data/outputs/shallow-bid.out.csv
new file mode 100644
index 0000000..52d413e
--- /dev/null
+++ b/data/outputs/shallow-bid.out.csv
@@ -0,0 +1,9 @@
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+A,1,2
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+R,2,103
+A,1,3
+B,B,10,200
diff --git a/data/outputs/tighten-spread-through-new-limit-orders.out.csv b/data/outputs/tighten-spread-through-new-limit-orders.out.csv
new file mode 100644
index 0000000..6bd36d8
--- /dev/null
+++ b/data/outputs/tighten-spread-through-new-limit-orders.out.csv
@@ -0,0 +1,11 @@
+A,1,1
+B,B,10,100
+A,1,2
+B,S,16,100
+A,2,101
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+B,S,15,100
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+B,B,11,100
+A,1,3
+B,S,14,100