C222123232321333131133133313331323133313233311232313233232311213112331   >>    C22212323232133313113313331333132313331323331123231323323231121311233   <<    C222123232321333131133133313331323133313233311232313233232311213112333   >>      C222123232321333131133133313331323133313233311232313233232311213112332   >>