C2221333133313331311233132313331333132313231311331323133313232211331   >>    C222133313331333131123313231333133313231323131133132313331323221133   <<    C2221333133313331311233132313331333132313231311331323133313232211333   >>      C2221333133313331311233132313331333132313231311331323133313232211332   >>