C222123232321333131133133313331323133313231333133312131323313221311321   >>    C22212323232133313113313331333132313331323133313331213132331322131132   <<    C222123232321333131133133313331323133313231333133312131323313221311323   >>      C222123232321333131133133313331323133313231333133312131323313221311322   >>