C222123232321333131133133313331323133313233311232313233232112212211331   >>    C22212323232133313113313331333132313331323331123231323323211221221133   <<    C222123232321333131133133313331323133313233311232313233232112212211333   >>      C222123232321333131133133313331323133313233311232313233232112212211332   >>