C2221333133313331311233132313331333133313232123313331323133313332113313123221   >>    C222133313331333131123313231333133313331323212331333132313331333211331312322   <<    C2221333133313331311233132313331333133313232123313331323133313332113313123223   >>      C2221333133313331311233132313331333133313232123313331323133313332113313123222   >>