C11111333133313232233133313331333133313331312111133133312111113312231   >>    C1111133313331323223313331333133313331333131211113313331211111331223   <<    C11111333133313232233133313331333133313331312111133133312111113312233   >>      C11111333133313232233133313331333133313331312111133133312111113312232   >>