C22213331333133313112331323133313331333133313233211113331311211321   >>    C2221333133313331311233132313331333133313331323321111333131121132   <<    C22213331333133313112331323133313331333133313233211113331311211323   >>      C22213331333133313112331323133313331333133313233211113331311211322   >>