C222123232321333131133133313331323132313331323112331233112323221   >>    C22212323232133313113313331333132313231333132311233123311232322   <<    C222123232321333131133133313331323132313331323112331233112323223   >>      C222123232321333131133133313331323132313331323112331233112323222   >>