C11111333133313232233133313331333131133132313311211111211111232311331   >>    C1111133313331323223313331333133313113313231331121111121111123231133   <<    C11111333133313232233133313331333131133132313311211111211111232311333   >>      C11111333133313232233133313331333131133132313311211111211111232311332   >>