C11111333133313232233133313331333133112111112113313331312111112131323331   >>    C1111133313331323223313331333133313311211111211331333131211111213132333   <<    C11111333133313232233133313331333133112111112113313331312111112131323333   >>      C11111333133313232233133313331333133112111112113313331312111112131323332   >>