C222123232321333131133133313331323133313233311232313233232123311311   >>    C22212323232133313113313331333132313331323331123231323323212331131   <<    C222123232321333131133133313331323133313233311232313233232123311313   >>      C222123232321333131133133313331323133313233311232313233232123311312   >>