C222123232321333131133133313331323133313231333133332212322121322311   >>    C22212323232133313113313331333132313331323133313333221232212132231   <<    C222123232321333131133133313331323133313231333133332212322121322313   >>      C222123232321333131133133313331323133313231333133332212322121322312   >>