C22213331333133313112331323133313331333133313231231333132311211   >>    C2221333133313331311233132313331333133313331323123133313231121   <<    C22213331333133313112331323133313331333133313231231333132311213   >>      C22213331333133313112331323133313331333133313231231333132311212   >>