C111113331333132322331333133313331333133313121111331333132322331333131232313231   >>    C11111333133313232233133313331333133313331312111133133313232233133313123231323   <<    C111113331333132322331333133313331333133313121111331333132322331333131232313233   >>      C111113331333132322331333133313331333133313121111331333132322331333131232313232   >>