C222123232321333131133133313331323133313231322132313121222222123311   >>    C22212323232133313113313331333132313331323132213231312122222212331   <<    C222123232321333131133133313331323133313231322132313121222222123313   >>      C222123232321333131133133313331323133313231322132313121222222123312   >>