C22213331333133313112331323133313331333133313233211113313112131331   >>    C2221333133313331311233132313331333133313331323321111331311213133   <<    C22213331333133313112331323133313331333133313233211113313112131333   >>      C22213331333133313112331323133313331333133313233211113313112131332   >>