C222123232321333131133133313331323133313231333131331131331213232321   >>    C22212323232133313113313331333132313331323133313133113133121323232   <<    C222123232321333131133133313331323133313231333131331131331213232323   >>      C222123232321333131133133313331323133313231333131331131331213232322   >>