C11111333133313232233133313331333133112111112113313233121111331312331   >>    C1111133313331323223313331333133313311211111211331323312111133131233   <<    C11111333133313232233133313331333133112111112113313233121111331312333   >>      C11111333133313232233133313331333133112111112113313233121111331312332   >>