C222123232321333131133133313331323133313233311232313233232312222321   >>    C22212323232133313113313331333132313331323331123231323323231222232   <<    C222123232321333131133133313331323133313233311232313233232312222323   >>      C222123232321333131133133313331323133313233311232313233232312222322   >>