C222133313331333131123313231333133313331333132112323133313232223112113321211   >>    C22213331333133313112331323133313331333133313211232313331323222311211332121   <<    C222133313331333131123313231333133313331333132112323133313232223112113321213   >>      C222133313331333131123313231333133313331333132112323133313232223112113321212   >>