C2221333133313331311233132313331333133313331311233132322331323221323131   >>    C222133313331333131123313231333133313331333131123313232233132322132313   <<    C2221333133313331311233132313331333133313331311233132322331323221323133   >>      C2221333133313331311233132313331333133313331311233132322331323221323132   >>