diff --git a/boards/easy/01.txt b/boards/001.txt similarity index 100% rename from boards/easy/01.txt rename to boards/001.txt diff --git a/boards/easy/02.txt b/boards/002.txt similarity index 100% rename from boards/easy/02.txt rename to boards/002.txt diff --git a/boards/easy/03.txt b/boards/003.txt similarity index 100% rename from boards/easy/03.txt rename to boards/003.txt diff --git a/boards/hard/01.txt b/boards/004.txt similarity index 100% rename from boards/hard/01.txt rename to boards/004.txt diff --git a/boards/hard/02.txt b/boards/005.txt similarity index 100% rename from boards/hard/02.txt rename to boards/005.txt diff --git a/boards/hard/03.txt b/boards/006.txt similarity index 100% rename from boards/hard/03.txt rename to boards/006.txt diff --git a/boards/hard/04.txt b/boards/007.txt similarity index 100% rename from boards/hard/04.txt rename to boards/007.txt diff --git a/boards/medium/01.txt b/boards/008.txt similarity index 100% rename from boards/medium/01.txt rename to boards/008.txt diff --git a/boards/medium/02.txt b/boards/009.txt similarity index 100% rename from boards/medium/02.txt rename to boards/009.txt diff --git a/boards/medium/03.txt b/boards/010.txt similarity index 100% rename from boards/medium/03.txt rename to boards/010.txt diff --git a/boards/medium/04.txt b/boards/011.txt similarity index 100% rename from boards/medium/04.txt rename to boards/011.txt diff --git a/boards/medium/05.txt b/boards/012.txt similarity index 100% rename from boards/medium/05.txt rename to boards/012.txt diff --git a/boards/medium/06.txt b/boards/013.txt similarity index 100% rename from boards/medium/06.txt rename to boards/013.txt diff --git a/boards/veryhard/01.txt b/boards/014.txt similarity index 100% rename from boards/veryhard/01.txt rename to boards/014.txt diff --git a/boards/veryhard/02.txt b/boards/015.txt similarity index 100% rename from boards/veryhard/02.txt rename to boards/015.txt diff --git a/boards/veryhard/03.txt b/boards/016.txt similarity index 100% rename from boards/veryhard/03.txt rename to boards/016.txt diff --git a/boards/veryhard/04.txt b/boards/017.txt similarity index 100% rename from boards/veryhard/04.txt rename to boards/017.txt diff --git a/boards/veryhard/05.txt b/boards/018.txt similarity index 100% rename from boards/veryhard/05.txt rename to boards/018.txt diff --git a/boards/veryhard/06.txt b/boards/019.txt similarity index 100% rename from boards/veryhard/06.txt rename to boards/019.txt diff --git a/boards/veryhard/07.txt b/boards/020.txt similarity index 100% rename from boards/veryhard/07.txt rename to boards/020.txt diff --git a/boards/veryhard/08.txt b/boards/021.txt similarity index 100% rename from boards/veryhard/08.txt rename to boards/021.txt diff --git a/boards/veryhard/09.txt b/boards/022.txt similarity index 100% rename from boards/veryhard/09.txt rename to boards/022.txt diff --git a/boards/veryhard/10.txt b/boards/023.txt similarity index 100% rename from boards/veryhard/10.txt rename to boards/023.txt diff --git a/boards/veryhard/11.txt b/boards/024.txt similarity index 100% rename from boards/veryhard/11.txt rename to boards/024.txt diff --git a/boards/veryhard/12.txt b/boards/025.txt similarity index 100% rename from boards/veryhard/12.txt rename to boards/025.txt diff --git a/boards/veryhard/13.txt b/boards/026.txt similarity index 100% rename from boards/veryhard/13.txt rename to boards/026.txt diff --git a/boards/veryhard/14.txt b/boards/027.txt similarity index 100% rename from boards/veryhard/14.txt rename to boards/027.txt diff --git a/boards/veryhard/15.txt b/boards/028.txt similarity index 100% rename from boards/veryhard/15.txt rename to boards/028.txt diff --git a/boards/veryhard/16.txt b/boards/029.txt similarity index 100% rename from boards/veryhard/16.txt rename to boards/029.txt diff --git a/boards/veryhard/17.txt b/boards/030.txt similarity index 100% rename from boards/veryhard/17.txt rename to boards/030.txt diff --git a/boards/veryhard/18.txt b/boards/031.txt similarity index 100% rename from boards/veryhard/18.txt rename to boards/031.txt diff --git a/boards/veryhard/19.txt b/boards/032.txt similarity index 100% rename from boards/veryhard/19.txt rename to boards/032.txt diff --git a/boards/veryhard/20.txt b/boards/033.txt similarity index 100% rename from boards/veryhard/20.txt rename to boards/033.txt diff --git a/boards/veryhard/21.txt b/boards/034.txt similarity index 100% rename from boards/veryhard/21.txt rename to boards/034.txt diff --git a/boards/veryhard/22.txt b/boards/035.txt similarity index 100% rename from boards/veryhard/22.txt rename to boards/035.txt diff --git a/boards/veryhard/23.txt b/boards/036.txt similarity index 100% rename from boards/veryhard/23.txt rename to boards/036.txt diff --git a/boards/veryhard/24.txt b/boards/037.txt similarity index 100% rename from boards/veryhard/24.txt rename to boards/037.txt diff --git a/boards/veryhard/25.txt b/boards/038.txt similarity index 100% rename from boards/veryhard/25.txt rename to boards/038.txt diff --git a/boards/veryhard/26.txt b/boards/039.txt similarity index 100% rename from boards/veryhard/26.txt rename to boards/039.txt diff --git a/boards/veryhard/27.txt b/boards/040.txt similarity index 100% rename from boards/veryhard/27.txt rename to boards/040.txt