C11111333133313232233133313331333133112111112113313331312233131   >>    C1111133313331323223313331333133313311211111211331333131223313   <<    C11111333133313232233133313331333133112111112113313331312233133   >>      C11111333133313232233133313331333133112111112113313331312233132   >>