C1111233131211111211113313331333133313232321333133313331333131232313331231   >>    C111123313121111121111331333133313331323232133313331333133313123231333123   <<    C1111233131211111211113313331333133313232321333133313331333131232313331233   >>      C1111233131211111211113313331333133313232321333133313331333131232313331232   >>