C2221333133313331311233132313331333133313331323121111133313331313331331   >>    C222133313331333131123313231333133313331333132312111113331333131333133   <<    C2221333133313331311233132313331333133313331323121111133313331313331333   >>      C2221333133313331311233132313331333133313331323121111133313331313331332   >>