C222123232321333131133133313331323133313231333133312131323311131331   >>    C22212323232133313113313331333132313331323133313331213132331113133   <<    C222123232321333131133133313331323133313231333133312131323311131333   >>      C222123232321333131133133313331323133313231333133312131323311131332   >>