Cut copy

An 'investing' technique where you save the T shape underneath the T-spin. Translated into English, the term means Cut Copy.

The setup is also called 千鳥格子 (pronounced as chitori goushi), whose shape is like this: http://mathnokai.up.n.seesaa.net/mathnokai/image/chidori_memo1.jpg

code=JeA3obA3kbF3ibH3gbF3pbA4G7eIjSBUbBdKcF8csQ?BSZBdAcFcBAAA code=neB3gbG3pbDUI7eAiaBZeD3lbD3zbAAA7eBAAAkSB/?dB3nbB3PcAAAFeD3mbC3HcAAA7eE92clWBNAdFgBAAA