C22213331333133313112331323133313331333133313233211113313133321   >>    C2221333133313331311233132313331333133313331323321111331313332   <<    C22213331333133313112331323133313331333133313233211113313133323   >>      C22213331333133313112331323133313331333133313233211113313133322   >>