C11111211113313112113313331333133313331333132313331333132323223231   >>    C1111121111331311211331333133313331333133313231333133313232322323   <<    C11111211113313112113313331333133313331333132313331333132323223233   >>      C11111211113313112113313331333133313331333132313331333132323223232   >>