C11111211113313112113313331333133313331322211232313331323132322221   >>    C1111121111331311211331333133313331333132221123231333132313232222   <<    C11111211113313112113313331333133313331322211232313331323132322223   >>      C11111211113313112113313331333133313331322211232313331323132322222   >>