C2221333133313331311233132313331333133313331323312113313231311233132211   >>    C222133313331333131123313231333133313331333132331211331323131123313221   <<    C2221333133313331311233132313331333133313331323312113313231311233132213   >>      C2221333133313331311233132313331333133313331323312113313231311233132212   >>