C111113331333132322331333133313331333133313121111331333131121133133313331   >>    C11111333133313232233133313331333133313331312111133133313112113313331333   <<    C111113331333132322331333133313331333133313121111331333131121133133313333   >>      C111113331333132322331333133313331333133313121111331333131121133133313332   >>