C222123232321333131133133313331323132313331322121323122213112111   >>    C22212323232133313113313331333132313231333132212132312221311211   <<    C222123232321333131133133313331323132313331322121323122213112113   >>      C222123232321333131133133313331323132313331322121323122213112112   >>