C2221333133313331311233132313331333133313331323232131133131231231   >>    C222133313331333131123313231333133313331333132323213113313123123   <<    C2221333133313331311233132313331333133313331323232131133131231233   >>      C2221333133313331311233132313331333133313331323232131133131231232   >>