C111123313331323113313331323133313331311331311331333133313222321111231   >>    C11112331333132311331333132313331333131133131133133313331322232111123   <<    C111123313331323113313331323133313331311331311331333133313222321111233   >>      C111123313331323113313331323133313331311331311331333133313222321111232   >>