C1111233131211111211113313331333133313331333133313331333133313332321333113231   >>    C111123313121111121111331333133313331333133313331333133313331333232133311323   <<    C1111233131211111211113313331333133313331333133313331333133313332321333113233   >>      C1111233131211111211113313331333133313331333133313331333133313332321333113232   >>