C2221333133313331311233132313331333133313331323121111133313111311   >>    C222133313331333131123313231333133313331333132312111113331311131   <<    C2221333133313331311233132313331333133313331323121111133313111313   >>      C2221333133313331311233132313331333133313331323121111133313111312   >>