C111123313331323113313331333133313331323112133313331333132323312113313332231   >>    C11112331333132311331333133313331333132311213331333133313232331211331333223   <<    C111123313331323113313331333133313331323112133313331333132323312113313332233   >>      C111123313331323113313331333133313331323112133313331333132323312113313332232   >>