C1111233131211111211113313331333133313331333133313331333133313232211311131   >>    C111123313121111121111331333133313331333133313331333133313331323221131113   <<    C1111233131211111211113313331333133313331333133313331333133313232211311133   >>      C1111233131211111211113313331333133313331333133313331333133313232211311132   >>