undefined-behavior in h3NeighborRotations

undefined-behavior in h3NeighborRotations: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). UndefinedBehaviorSanitizer: undefined-behavior in function h3NeighborRotations in file h3/src/h3lib/lib/algos.c