C222123232321333131133133313331323133313231322132313121222212331   >>    C22212323232133313113313331333132313331323132213231312122221233   <<    C222123232321333131133133313331323133313231322132313121222212333   >>      C222123232321333131133133313331323133313231322132313121222212332   >>