C222123232321333131133133313331323133313231333131331131331212123121   >>    C22212323232133313113313331333132313331323133313133113133121212312   <<    C222123232321333131133133313331323133313231333131331131331212123123   >>      C222123232321333131133133313331323133313231333131331131331212123122   >>