C222123232321333131133133313331323133313231322132313121212313322321   >>    C22212323232133313113313331333132313331323132213231312121231332232   <<    C222123232321333131133133313331323133313231322132313121212313322323   >>      C222123232321333131133133313331323133313231322132313121212313322322   >>