C222123232321333131133133313331323133313231333133332212322111333221   >>    C22212323232133313113313331333132313331323133313333221232211133322   <<    C222123232321333131133133313331323133313231333133332212322111333223   >>      C222123232321333131133133313331323133313231333133332212322111333222   >>