diff --git a/data/holes/hole-2.geojson b/data/holes/hole-2.geojson
new file mode 100644
index 0000000..62fbc94
--- /dev/null
+++ b/data/holes/hole-2.geojson
@@ -0,0 +1,24 @@
+{
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+  "properties": {},
+  "geometry": {
+    "type": "Polygon",
+    "coordinates": [
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+        [20, 20],
+        [0, 20],
+        [0, 0]
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+        [4, 4],
+        [3.9, 15.9],
+        [15.8, 15.8],
+        [15.9, 3.9],
+        [4, 4]
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+  "bbox": [0, 0, 20, 20]
+}
\ No newline at end of file
diff --git a/data/hole.geojson b/data/holes/hole.geojson
similarity index 100%
rename from data/hole.geojson
rename to data/holes/hole.geojson
diff --git a/data/part-of-india-2.geojson b/data/part-of-india-2.geojson
new file mode 100644
index 0000000..26b760d
--- /dev/null
+++ b/data/part-of-india-2.geojson
@@ -0,0 +1,43 @@
+{
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+  "features": [
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+}
\ No newline at end of file
diff --git a/data/part-of-india-3.geojson b/data/part-of-india-3.geojson
new file mode 100644
index 0000000..afe389d
--- /dev/null
+++ b/data/part-of-india-3.geojson
@@ -0,0 +1,43 @@
+{
+  "type": "FeatureCollection",
+  "features": [
+  {
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+}
\ No newline at end of file
diff --git a/data/part-of-india.geojson b/data/part-of-india.geojson
new file mode 100644
index 0000000..acc02a0
--- /dev/null
+++ b/data/part-of-india.geojson
@@ -0,0 +1,23 @@
+{
+  "type": "Feature",
+  "properties": {},
+  "geometry": {
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+        [84.6826171875, 23.36242859340884],
+        [83.12255859375, 22.49225722008518]
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+  }
+}
diff --git a/data/parts-of-india-fc.geojson b/data/parts-of-india-fc.geojson
new file mode 100644
index 0000000..f88e692
--- /dev/null
+++ b/data/parts-of-india-fc.geojson
@@ -0,0 +1,83 @@
+{
+  "type": "FeatureCollection",
+  "features": [
+    {
+      "type": "Feature",
+      "properties": {},
+      "geometry": {
+        "type": "Polygon",
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+    {
+      "type": "Feature",
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+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
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+  ]
+}
\ No newline at end of file
diff --git a/data/sri-lanka.geojson b/data/sri-lanka.geojson
new file mode 100644
index 0000000..41c1134
--- /dev/null
+++ b/data/sri-lanka.geojson
@@ -0,0 +1 @@
+{"type":"FeatureCollection","features":[{"type":"Feature","properties":{"scalerank":1,"featurecla":"Admin-0 country","labelrank":3,"sovereignt":"Sri Lanka","sov_a3":"LKA","adm0_dif":0,"level":2,"type":"Sovereign country","admin":"Sri Lanka","adm0_a3":"LKA","geou_dif":0,"geounit":"Sri Lanka","gu_a3":"LKA","su_dif":0,"subunit":"Sri Lanka","su_a3":"LKA","brk_diff":0,"name":"Sri Lanka","name_long":"Sri Lanka","brk_a3":"LKA","brk_name":"Sri Lanka","brk_group":null,"abbrev":"Sri L.","postal":"LK","formal_en":"Democratic Socialist Republic of Sri Lanka","formal_fr":null,"note_adm0":null,"note_brk":null,"name_sort":"Sri Lanka","name_alt":null,"mapcolor7":3,"mapcolor8":5,"mapcolor9":4,"mapcolor13":9,"pop_est":21324791,"gdp_md_est":91870,"pop_year":-99,"lastcensus":2001,"gdp_year":-99,"economy":"6. Developing region","income_grp":"4. Lower middle income","wikipedia":-99,"fips_10":null,"iso_a2":"LK","iso_a3":"LKA","iso_n3":"144","un_a3":"144","wb_a2":"LK","wb_a3":"LKA","woe_id":-99,"adm0_a3_is":"LKA","adm0_a3_us":"LKA","adm0_a3_un":-99,"adm0_a3_wb":-99,"continent":"Asia","region_un":"Asia","subregion":"Southern Asia","region_wb":"South Asia","name_len":9,"long_len":9,"abbrev_len":6,"tiny":-99,"homepart":1,"filename":"LKA.geojson"},"geometry":{"type":"Polygon","coordinates":[[[81.7879590188914,7.523055324733164],[81.63732221876059,6.481775214051921],[81.21801964714433,6.197141424988288],[80.34835696810441,5.968369859232155],[79.87246870312853,6.76346344647493],[79.69516686393513,8.200843410673386],[80.14780073437964,9.824077663609557],[80.83881798698656,9.268426825391188],[81.30431928907177,8.56420624433369],[81.7879590188914,7.523055324733164]]]}}]}
\ No newline at end of file
diff --git a/data/test.geojson b/data/test.geojson
new file mode 100644
index 0000000..fe6d8c3
--- /dev/null
+++ b/data/test.geojson
@@ -0,0 +1,23 @@
+{
+  "type": "Feature",
+  "properties": {},
+  "geometry": {
+    "type": "Polygon",
+    "coordinates": [
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