C222123232321333131133133313331323132313331322121323112211222211   >>    C22212323232133313113313331333132313231333132212132311221122221   <<    C222123232321333131133133313331323132313331322121323112211222213   >>      C222123232321333131133133313331323132313331322121323112211222212   >>