C131121333133313233213331333133313331312111133133313331333132211211321   >>    C13112133313331323321333133313331333131211113313331333133313221121132   <<    C131121333133313233213331333133313331312111133133313331333132211211323   >>      C131121333133313233213331333133313331312111133133313331333132211211322   >>