C222123232321333131133133313331323133313233311232313233232312113231   >>    C22212323232133313113313331333132313331323331123231323323231211323   <<    C222123232321333131133133313331323133313233311232313233232312113233   >>      C222123232321333131133133313331323133313233311232313233232312113232   >>