C111123313121111121111331333133313121111121111133313331333133313331323223312321   >>    C11112331312111112111133133313331312111112111113331333133313331333132322331232   <<    C111123313121111121111331333133313121111121111133313331333133313331323223312323   >>      C111123313121111121111331333133313121111121111133313331333133313331323223312322   >>