C222123232321333131133133313331323132313331323112331233112312321   >>    C22212323232133313113313331333132313231333132311233123311231232   <<    C222123232321333131133133313331323132313331323112331233112312323   >>      C222123232321333131133133313331323132313331323112331233112312322   >>