diff --git a/01/part1.v b/01/part1.v
index 6d53283..aa5f4eb 100644
--- a/01/part1.v
+++ b/01/part1.v
@@ -1,6 +1,10 @@
 import os
 
 const input = os.read_file('./input.txt')!
+//const input = "1abc2
+//pqr3stu8vwx
+//a1b2c3d4e5f
+//treb7uchet"
 
 fn main() {
     lines := input.split('\n')
diff --git a/01/part2.v b/01/part2.v
index 0aa1b39..f5fc1ed 100644
--- a/01/part2.v
+++ b/01/part2.v
@@ -1,14 +1,31 @@
 import os
 
-//const input = os.read_file('./input.txt')!
+const input = os.read_file('./input.txt')!
 
-const input = "two1nine
-eightwothree
-abcone2threexyz
-xtwone3four
-4nineeightseven2
-zoneight234
-7pqrstsixteen"
+//const input = "two1nine
+//eightwothree
+//abcone2threexyz
+//xtwone3four
+//4nineeightseven2
+//zoneight234
+//7pqrstsixteen"
+
+
+fn replace_letter_numbers(txt string) string {
+    mut tmp := txt
+
+    tmp = tmp.replace('one', 'o1e')
+    tmp = tmp.replace('two', 't2o')
+    tmp = tmp.replace('three', 't3e')
+    tmp = tmp.replace('four', 'f4r')
+    tmp = tmp.replace('five', 'f5e')
+    tmp = tmp.replace('six', 's6x')
+    tmp = tmp.replace('seven', 's7n')
+    tmp = tmp.replace('eight', 'e8t')
+    tmp = tmp.replace('nine', 'n9e')
+
+    return tmp
+}
 
 fn main() {
     lines := input.split('\n')
@@ -19,8 +36,13 @@ fn main() {
             continue
         }
 
-        trimmed := line.trim('abcdefghijklmnopqrstuvwxyz')
+        //println('-> line: ${line}')
+        replaced := replace_letter_numbers(line)
+        //println('-> replaced: ${replaced}')
+        trimmed := replaced.trim('abcdefghijklmnopqrstuvwxyz')
+        //println('-> trimmed: ${trimmed}')
         n := trimmed[0].ascii_str() + trimmed[trimmed.len-1].ascii_str()
+        //println('=> n: ${n}')
         sum += n.int()
     }