C131121333133313233213331333133313331333133313331333133313331333113111121   >>    C13112133313331323321333133313331333133313331333133313331333133311311112   <<    C131121333133313233213331333133313331333133313331333133313331333113111123   >>      C131121333133313233213331333133313331333133313331333133313331333113111122   >>