C222123232321333131133133313331323133313233311232313233232311211212131   >>    C22212323232133313113313331333132313331323331123231323323231121121213   <<    C222123232321333131133133313331323133313233311232313233232311211212133   >>      C222123232321333131133133313331323133313233311232313233232311211212132   >>