diff --git a/day2/Makefile b/day2/Makefile
index 125d6f4..05bd70c 100644
--- a/day2/Makefile
+++ b/day2/Makefile
@@ -14,7 +14,7 @@ INPUT_DEST=src/input.c
 COMMON_FLAGS+= -W -Wall -fno-strict-aliasing $(addprefix -I,$(INCLUDE))
 
 COMMON_FLAGS+=-msse -msse2 -msse3
-COMMON_FLAGS+=-D_PART1 -D_PART2
+COMMON_FLAGS+=-D_PART1 -D__PART2
 
 OPT_FLAGS?= -march=native -fgraphite -fopenmp -floop-parallelize-all -ftree-parallelize-loops=4 \
 	    -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block \
diff --git a/day2/src/p1.c b/day2/src/p1.c
index b1b2a52..a2a6213 100644
--- a/day2/src/p1.c
+++ b/day2/src/p1.c
@@ -7,7 +7,7 @@
 
 #include <result.h>
 
-#define RIMAX_STR (64 - sizeof(size_t))
+#define RIMAX_STR (sizeof(size_t))
 
 struct proc {
 	union {
@@ -16,7 +16,7 @@ struct proc {
 			off_t field;
 		};
 		struct {
-			//TODO: part2 shit	
+			//TODO: part2 shit
 		} aimed;
 	};
 };
diff --git a/day3/Makefile b/day3/Makefile
index 323d853..d7fcda1 100644
--- a/day3/Makefile
+++ b/day3/Makefile
@@ -1,6 +1,6 @@
 # aoc2021-day2
 
-PROJECT=day2
+PROJECT=day3
 AUTHOR=Avril (Flanchan) <flanchan@cumallover.me>
 
 SRC_C   = $(wildcard src/*.c)
@@ -9,12 +9,13 @@ SRC_CXX = $(wildcard src/*.cpp)
 INCLUDE=include
 
 INPUT_SOURCE?=input
-INPUT_DEST=include/raw_input.hh
+INPUT_DEST=src/input.c
 
 COMMON_FLAGS+= -W -Wall -fno-strict-aliasing $(addprefix -I,$(INCLUDE))
 
 COMMON_FLAGS+=-msse -msse2 -msse3
-COMMON_FLAGS+=-D_PART1 -D__PART2
+COMMON_FLAGS+=-D_PART1
+# -D_PART2
 
 OPT_FLAGS?= -march=native -fgraphite -fopenmp -floop-parallelize-all -ftree-parallelize-loops=4 \
 	    -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block \
@@ -55,6 +56,9 @@ OBJ = $(OBJ_C) $(OBJ_CXX)
 
 # Phonies
 
+.PHONY: input
+input: $(INPUT_DEST)
+
 .PHONY: release
 release: | dirs $(INPUT_DEST)
 	$(MAKE) $(PROJECT)-release
@@ -68,7 +72,10 @@ debug: | dirs $(INPUT_DEST)
 dirs:
 	@mkdir -p obj/c{,xx}/src
 
-$(INPUT_DEST): $(INPUT_SOURCE)
+cmkinput: cmkinput.c
+	$(CC) $^ $(CFLAGS) -fwhole-program -o $@
+
+$(INPUT_DEST): $(INPUT_SOURCE) cmkinput
 	./mkinput $< > $@
 
 obj/c/%.o: %.c
diff --git a/day3/mkinput.c b/day3/cmkinput.c
similarity index 100%
rename from day3/mkinput.c
rename to day3/cmkinput.c
diff --git a/day3/include/raw_input.hh b/day3/include/raw_input.hh
new file mode 100644
index 0000000..e69de29
diff --git a/day3/mkinput b/day3/mkinput
new file mode 100755
index 0000000..54515c1
--- /dev/null
+++ b/day3/mkinput
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+
+INPUT=${1:-input}
+INPUT_PROC=.input-proc-$(uuidgen)
+
+WIDTH=$(head -n 1 "$INPUT" | wc -c)
+
+./cmkinput $INPUT > $INPUT_PROC || exit 1
+
+echo "#include <input.h>"
+echo ""
+echo "const rawinput_t RAW_INPUT[] = {"
+while IFS= read -r line; do
+	printf '0b'
+	echo "$line," | sed 's/.\{8\}/& 0b/g'
+done < $INPUT_PROC
+unset line
+echo "};"
+
+echo "const size_t INPUT_WIDTH = $WIDTH;"
+echo "const size_t RAW_INPUT_SIZE = sizeof(RAW_INPUT) / sizeof(rawinput_t);"
+rm -f $INPUT_PROC
diff --git a/day3/mkinput-old b/day3/mkinput-old
deleted file mode 100755
index 629118b..0000000
--- a/day3/mkinput-old
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/bash
-
-
-echo "#pragma once"
-echo ""
-
-INPUT=${1:-input}
-
-COLS=$(head -n 1 "$INPUT" | wc -c)
-echo "namespace input {"
-echo "	constexpr const auto COLS = $COLS;"
-echo "	constexpr const char DATA[][COLS] = {"
-while IFS= read -r line; do
-	echo "		\"$line\","
-done < $INPUT
-unset line
-echo "	};"
-
-echo "	constexpr const auto ROWS = sizeof(DATA)/sizeof(DATA[0]);"
-echo "}"