C222123232321333131133133313331323133313231323133311322321232321211   >>    C22212323232133313113313331333132313331323132313331132232123232121   <<    C222123232321333131133133313331323133313231323133311322321232321213   >>      C222123232321333131133133313331323133313231323133311322321232321212   >>