C222123232321333131133133313331323133313231322132313121212312132312321   >>    C22212323232133313113313331333132313331323132213231312121231213231232   <<    C222123232321333131133133313331323133313231322132313121212312132312323   >>      C222123232321333131133133313331323133313231322132313121212312132312322   >>