C222123232321333131133133313331323133313231333133312131323312113222221   >>    C22212323232133313113313331333132313331323133313331213132331211322222   <<    C222123232321333131133133313331323133313231333133312131323312113222223   >>      C222123232321333131133133313331323133313231333133312131323312113222222   >>