C222123232321333131133133313331333132313231333133322331223233233321   >>    C22212323232133313113313331333133313231323133313332233122323323332   <<    C222123232321333131133133313331333132313231333133322331223233233323   >>      C222123232321333131133133313331333132313231333133322331223233233322   >>