C222123232321333131133133313331323132313331323132221311313222321   >>    C22212323232133313113313331333132313231333132313222131131322232   <<    C222123232321333131133133313331323132313331323132221311313222323   >>      C222123232321333131133133313331323132313331323132221311313222322   >>