C222123232321333131133133313331323133313231333131331131331333232211   >>    C22212323232133313113313331333132313331323133313133113133133323221   <<    C222123232321333131133133313331323133313231333131331131331333232213   >>      C222123232321333131133133313331323133313231333131331131331333232212   >>