law around_onb
import minebender-game@1.0.0.0/proof_solver.bend as ProofSolverimport Base
import minebender-game@1.0.0.0/types.bend as T
import minebender-game@1.0.0.0/solver.bend as S
import minebender-game@1.0.0.0/proof_cells.bend as PS
1713law around_onb:
1714 for +e: PS.WH
1715 for +its: List<&2, S.Item>
1716 for +c: T.Pos
1717 for +ok: {items_onb(e, its) == True{} : Bool}
1718 {items_onb(e, S.around(its, c)) == True{} : Bool}