C222123232321333131133133313331323133313231333133312131323313212211   >>    C22212323232133313113313331333132313331323133313331213132331321221   <<    C222123232321333131133133313331323133313231333133312131323313212213   >>      C222123232321333131133133313331323133313231333133312131323313212212   >>