C222123232321333131133133313331323133313231322132313121121323232331   >>    C22212323232133313113313331333132313331323132213231312112132323233   <<    C222123232321333131133133313331323133313231322132313121121323232333   >>      C222123232321333131133133313331323133313231322132313121121323232332   >>