C12113121323133313221323132332313231333132322112331322132323331   >>    C1211312132313331322132313233231323133313232211233132213232333   <<    C12113121323133313221323132332313231333132322112331322132323333   >>      C12113121323133313221323132332313231333132322112331322132323332   >>