C222133313331333131123313231333133313331333132311221123221233111   >>    C22213331333133313112331323133313331333133313231122112322123311   <<    C222133313331333131123313231333133313331333132311221123221233113   >>      C222133313331333131123313231333133313331333132311221123221233112   >>