Ctt

CttCttCttCtt
CttCttCttCttCttCttCttCtt
CttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCttCtt