C111112111133131121133133313331333133313331323133313331333132212111112323131   >>    C11111211113313112113313331333133313331333132313331333133313221211111232313   <<    C111112111133131121133133313331333133313331323133313331333132212111112323133   >>      C111112111133131121133133313331333133313331323133313331333132212111112323132   >>