C222123232321333131133133313331323132313331323112331231133221211   >>    C22212323232133313113313331333132313231333132311233123113322121   <<    C222123232321333131133133313331323132313331323112331231133221213   >>      C222123232321333131133133313331323132313331323112331231133221212   >>