C111113331333132322331333133313331311331322331333131133132313111232121   >>    C11111333133313232233133313331333131133132233133313113313231311123212   <<    C111113331333132322331333133313331311331322331333131133132313111232123   >>      C111113331333132322331333133313331311331322331333131133132313111232122   >>