C222123232321333131133133313331323133313231333133332212322113223321   >>    C22212323232133313113313331333132313331323133313333221232211322332   <<    C222123232321333131133133313331323133313231333133332212322113223323   >>      C222123232321333131133133313331323133313231333133332212322113223322   >>