C222123232321333131133133313331323133313231333133312131323313221121   >>    C22212323232133313113313331333132313331323133313331213132331322112   <<    C222123232321333131133133313331323133313231333133312131323313221123   >>      C222123232321333131133133313331323133313231333133312131323313221122   >>