C1111233131211111211113313331333133313331333133313331333133313331323111113111   >>    C111123313121111121111331333133313331333133313331333133313331333132311111311   <<    C1111233131211111211113313331333133313331333133313331333133313331323111113113   >>      C1111233131211111211113313331333133313331333133313331333133313331323111113112   >>