C222123232321333131133133313331323133313231333133332212322132212311   >>    C22212323232133313113313331333132313331323133313333221232213221231   <<    C222123232321333131133133313331323133313231333133332212322132212313   >>      C222123232321333131133133313331323133313231333133332212322132212312   >>