C111123313331323113313331333133313331323112133313331313331323133313111231   >>    C11112331333132311331333133313331333132311213331333131333132313331311123   <<    C111123313331323113313331333133313331323112133313331313331323133313111233   >>      C111123313331323113313331333133313331323112133313331313331323133313111232   >>