C11111333133313232233133313331333133112111112113313221333131131   >>    C1111133313331323223313331333133313311211111211331322133313113   <<    C11111333133313232233133313331333133112111112113313221333131133   >>      C11111333133313232233133313331333133112111112113313221333131132   >>