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+At beginning
+ \e[31m■\e[m \e[37m■\e[m \e[32m■\e[m
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+ \e[31m■\e[m \e[37m■\e[m \e[32m■\e[m
+ \e[32m■\e[m \e[37m■\e[m \e[31m■\e[m
+\e[31m■\e[m \e[37m■\e[m \e[32m■\e[m \e[32m■\e[m \e[37m■\e[m \e[31m■\e[m \e[33m■\e[m \e[35m■\e[m \e[34m■\e[m
+\e[32m■\e[m \e[37m■\e[m \e[31m■\e[m \e[33m■\e[m \e[35m■\e[m \e[34m■\e[m \e[34m■\e[m \e[35m■\e[m \e[33m■\e[m
+\e[33m■\e[m \e[35m■\e[m \e[34m■\e[m \e[34m■\e[m \e[35m■\e[m \e[33m■\e[m \e[31m■\e[m \e[37m■\e[m \e[32m■\e[m
+ \e[32m■\e[m \e[37m■\e[m \e[31m■\e[m
+ \e[33m■\e[m \e[35m■\e[m \e[34m■\e[m
+ \e[34m■\e[m \e[35m■\e[m \e[33m■\e[m
+
+After commands '[]'
+ \e[31m■\e[m \e[37m■\e[m \e[32m■\e[m
+ \e[32m■\e[m \e[37m■\e[m \e[31m■\e[m
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+ \e[34m■\e[m \e[35m■\e[m \e[33m■\e[m
+ \e[31m■\e[m \e[37m■\e[m \e[32m■\e[m
+ \e[32m■\e[m \e[37m■\e[m \e[31m■\e[m
+\e[31m■\e[m \e[37m■\e[m \e[32m■\e[m \e[32m■\e[m \e[37m■\e[m \e[31m■\e[m \e[33m■\e[m \e[35m■\e[m \e[34m■\e[m
+\e[32m■\e[m \e[37m■\e[m \e[31m■\e[m \e[33m■\e[m \e[35m■\e[m \e[34m■\e[m \e[34m■\e[m \e[35m■\e[m \e[33m■\e[m
+\e[33m■\e[m \e[35m■\e[m \e[34m■\e[m \e[34m■\e[m \e[35m■\e[m \e[33m■\e[m \e[31m■\e[m \e[37m■\e[m \e[32m■\e[m
+ \e[32m■\e[m \e[37m■\e[m \e[31m■\e[m
+ \e[33m■\e[m \e[35m■\e[m \e[34m■\e[m
+ \e[34m■\e[m \e[35m■\e[m \e[33m■\e[m
+