C2221333133313331311233132313331333133313331323312111111331323232132233121   >>    C222133313331333131123313231333133313331333132331211111133132323213223312   <<    C2221333133313331311233132313331333133313331323312111111331323232132233123   >>      C2221333133313331311233132313331333133313331323312111111331323232132233122   >>