HELLOAWORLD W
ABCDEFHHHLLLNNN D
ABCDGGGKKKKK G
LYAAEEGGPPP L
ABCDEFHHLLL A
ABCCDDEEFFF C
AABBBCCCCDDDDDEEEEEEFFFFFFF B
ABCCGGGHHHKKKKK B
ABFFFGGGGCCCCC C
XAABBCCCDDDKKKKLLLL L