C2221333133313331311233132313331333133313331321121111331323211211   >>    C222133313331333131123313231333133313331333132112111133132321121   <<    C2221333133313331311233132313331333133313331321121111331323211213   >>      C2221333133313331311233132313331333133313331321121111331323211212   >>