C222123232321333131133133313331323133313233311232313233232112113231   >>    C22212323232133313113313331333132313331323331123231323323211211323   <<    C222123232321333131133133313331323133313233311232313233232112113233   >>      C222123232321333131133133313331323133313233311232313233232112113232   >>