C222133313331333131123313231333133313331333132331211331323331123221211   >>    C22213331333133313112331323133313331333133313233121133132333112322121   <<    C222133313331333131123313231333133313331333132331211331323331123221213   >>      C222133313331333131123313231333133313331333132331211331323331123221212   >>