Ctt

CttCttCttCttCttCtt
CttCttCttCttCttCtt
CttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCtt