C2221333133313331311233132313331333133313331322231333133313331133112131   >>    C222133313331333131123313231333133313331333132223133313331333113311213   <<    C2221333133313331311233132313331333133313331322231333133313331133112133   >>      C2221333133313331311233132313331333133313331322231333133313331133112132   >>