C222123232321333131133133313331323133313231322132313121312131311   >>    C22212323232133313113313331333132313331323132213231312131213131   <<    C222123232321333131133133313331323133313231322132313121312131313   >>      C222123232321333131133133313331323133313231322132313121312131312   >>