Answer:
[tex]\color {blac} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blak} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blac} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blac} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blak} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blac} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blac} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blak} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blac} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blac} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blak} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blac} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blac} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blak} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blac} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blac} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blak} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blac} { \rule{9pt}{999999pt}}\color {black} { \rule{9pt}{999999pt}}\color {blac} { \rule{9pt}{999999pt}}[/tex]
