C222123232321333131133133313331323133313231333133312131323231221322131321   >>    C22212323232133313113313331333132313331323133313331213132323122132213132   <<    C222123232321333131133133313331323133313231333133312131323231221322131323   >>      C222123232321333131133133313331323133313231333133312131323231221322131322   >>