C222123232321333131133133313331323132313331322121323121112112111   >>    C22212323232133313113313331333132313231333132212132312111211211   <<    C222123232321333131133133313331323132313331322121323121112112113   >>      C222123232321333131133133313331323132313331322121323121112112112   >>