C111123313121111121111331333133313331323221211113313232222123131   >>    C11112331312111112111133133313331333132322121111331323222212313   <<    C111123313121111121111331333133313331323221211113313232222123133   >>      C111123313121111121111331333133313331323221211113313232222123132   >>