C11111333133313232233133313331333133112111112113313331312132233131331   >>    C1111133313331323223313331333133313311211111211331333131213223313133   <<    C11111333133313232233133313331333133112111112113313331312132233131333   >>      C11111333133313232233133313331333133112111112113313331312132233131332   >>