C222123232321333131133133313331323133313233311232313233232312311   >>    C22212323232133313113313331333132313331323331123231323323231231   <<    C222123232321333131133133313331323133313233311232313233232312313   >>      C222123232321333131133133313331323133313233311232313233232312312   >>