C222123232321333131133133313331323133313231322132313121311333221   >>    C22212323232133313113313331333132313331323132213231312131133322   <<    C222123232321333131133133313331323133313231322132313121311333223   >>      C222123232321333131133133313331323133313231322132313121311333222   >>