C22213331333133313112331323133313331333133313233211113313123112131   >>    C2221333133313331311233132313331333133313331323321111331312311213   <<    C22213331333133313112331323133313331333133313233211113313123112133   >>      C22213331333133313112331323133313331333133313233211113313123112132   >>