SpatialJB: How Text Distribution Art Becomes the "Jailbreak Key" for LLM Guardrails. - Zhiyi Mou; Jingyuan Yang 019; Zeheng Qian; Wangze Ni; Tianfang Xiao; Ning Liu; Chen Zhang; Zhan Qin; Kui Ren 001 (CoRR, 2026)