C111123313121111121111331333133313331333132232233131211111311211321   >>    C11112331312111112111133133313331333133313223223313121111131121132   <<    C111123313121111121111331333133313331333132232233131211111311211323   >>      C111123313121111121111331333133313331333132232233131211111311211322   >>