C131121333133313233213331333133313331333133313331333133313331333132311222131   >>    C13112133313331323321333133313331333133313331333133313331333133313231122213   <<    C131121333133313233213331333133313331333133313331333133313331333132311222133   >>      C131121333133313233213331333133313331333133313331333133313331333132311222132   >>